Lt1 optispark fix

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You may get lucky and counter-balance the offset weights. 7L. not only did they have a bulletproof engine and electrical system, they were made in Willow Run, MI. Anthony Dale Enloe · Registered. Better answer for ya? Or better yet, scratch the whole answer-if I were you I'd look into an LS1. Edit: BTW - I have a brand new LT1 Optispark sitting on my work bench collecting dust. Other than general 1990s GM build quality issues, the Optispark ignition fitted to the LT1 is prone to failure, although many have been fixed or retrofitted with a better system by now. This is the distributor on the LT1 engine. Simular principal with optical smoke detector. Oct 05, 2018 · L98 C4 engine cross members differ from LT1 models. May 22, 2012 · My '95 LT1 Caprice has an oil leak that's driving me crazy. Hypetech power programmer 3. No, we're going to take the proactive path and do what we have to to fix these The GM Optispark is an optically-triggered ignition distributor used on the LT1, LT4 and L99 engines. I have a 1996 z28 Camaro LT1, the car cranks fine every time you start it for a couple of days then there is two or three days you go to crank it and it cranks fine, but does not start. This item: Assault Racing Products 1235012 Vented Optispark Distributor LT1 LT4 for Chevy Camaro Corvette… $72. 8:27. 3L & 5. The connector pinouts look to be the same. Find Apr 02, 2007 · Similar Threads - OPTISPARK problems Forum Date; Optispark diagnostic question: 4th Gen Camaro LT1 (1993-1997 Camaro) Feb 17, 2020: Best vented optispark replacement: 4th Gen Camaro LT1 (1993-1997 Camaro) Dec 7, 2019: Top Street Performance optispark distributors anyone? 4th Gen Camaro LT1 (1993-1997 Camaro) Oct 23, 2019 The OEM Optispark is equipped with an EMI Shield which is essentially a stamped sheet of tin placed between the optical trigger and rotor. The most probable cause of the idling issue is fouled injectors. Look up optispark replacement on LT1 or C4 Corvette. If it's not there I always go after the distributor, in your case the optispark. I replaced opti for MSD distributor, cap, and coil along with ICM, wires and plugs, fuel pump, MAF, Fuel filter. The blower motor resistor is known to go out, which is about a $15 fix with an Allen headed screw driver. With high voltage removed from the Opti-Spark, the problems of cap & rotor wear, internal arc-over and cross-firing vanish. 20 Jul 2016 In this video I show you how the steps it takes to remove the OptiSpark distributor from an LT1 and LT4 corvette. Extension harness connects your OptiSpark to your engine harness. I compared the instructions I got with the kit to the one on the website. LT1 vacuum hoses by request Hope its light enough. Components included: fuel pump relay, ALDL connector, Ho2 connectors, Tach pigtail, VSS pigtail. The distributor and electrical spark timing system, now referred to as "Opti-Spark Control", has an optical sensor which counts light pulses through a perforated disc in the distributor. com -- Dry Nitrous Install and Tech Tips Rebuilding the LT1 -- An inside look Shoebox's LT1 Tech Page -- Component views, diagrams, How-To's Recommended Practice For Repairing the Dreaded LT1 Intake Oil Leak BACKGROUND: Some of us have had it, some of us have heard about it. This was the second generation of the GM small block V8 motor and the first major design change since 1955. I have been in contact with one of the engineers (Peter Visser) at a company in Virginia cal Oct 29, 2004 · '94 LT1 Never-ending problem Caprice Car Forums . Be sure to ask seller if the Opti-Spark has been replaced. Runs Strong LT1 . The injectors are fired in coordination with the opening of the intake valve. S. The set-by-temperature HVAC is as good as any in a 2020 new car, too. Just for shits and grins, I decided to pull off the vacuum line on top of the opti and spray electronic parts cleaner in it and see what happens. And that was never an issue before. He put two aftermarket ones and he still can't get a spark to Camshaft/Waterpump and Optispark Seals Replace Video Here's Goldmaster demonstrating tearing into a 96 LT1 and replacing the camshaft/waterpump and optispark seals (and everything that happens along the way), also opti inspection. These are a notorious problem with the LT1. 1993 Chevy LT1 Optispark distributor LSx style truck coils MS3X latest firmware from MS download page I had trouble getting the MS3 to sync, so I bought a new Optispark distributor - figured maybe the 22yr old factory original wasn't working quite right. Using the 3. Annoying to find. so far, only the msd replacement has lasted more than a few months. Total enjoyment for 18 months. The distributor is non-vented, so keep this engine away from water. I have a set of generic instructions for the ECU: "Speed-Pro EFI installation manual", and one set of instructions for an LT1 specific application (with optispark) from Fast Track: F0-9024-102 and F0-9024-002. Cheap fix. Includes billet aluminum timing cover WITH water pump drive provision, 1996-1997 LT1 crankshaft key, 24x crankshaft reluctor, camshaft sensor housing, 1x camshaft reluctor, CMP sensor, and CKP sensor. dripping from the passenger side and it's not coming from the valve covers. The ignition module has a direct impact on the performance of With a distributorless ignition or an LT1 with an Optispark ignition, this can only be accomplished electrically, which complicates matters. It is pretty unbelievable how fragile this thing is, especially in its non-vented form (93-94 F the dealership will quote about $600. See more ideas about Chevy, Ls engine and Crate motors. I'm soon to be on my third opti. My intention for this customer was to install a Dominator to control the LT1 Engine using the OE Ignition system (Optispark), Trans control on the 4L60E and a single stage progressive 200 HP Nitrous system. Interestingly enough, you can drill the LT1 intake for a dizzy and just use one of those instead of the optispark - probably have to swap to an aftermarket ECU like megasquirt or a 730 TPI ecm though. The following parts should be checked for a vacuum seal, replaced as needed and definitely replaced after several years of use. Fuel pressure is fine, filter new. Chevy 92 - 94 LT1 Optispark Distributor great price but it did not fix the problem, not your fault, just unable to diagnose the issue. Keep in mind I have no hands on for the LT1 so I'm basing on past GM experience. 7 Engine This video is a How-To for you to DIY Read Online Lt1 Corvette 350 Engine Diagram Cooling sensor malfunction on lt1 GM The location of cooling sensor on a GM LT1. Starter. I had the rear main seal replaced recently, and it's not leaking. The stock Opti works fine on a Megasquirt 3 in fully sequential mode using the high and low res signals, but both of the MSD versions do not work when the high res system is installed (works in batch fire using low res signal, not sequential using high res). Autometer 5in. May 16, 2011 · My 1993 Corvette with the optispark system is driving me crazy, not crazy enough to vote for Obama but Help. sevans327 · Premium Member. ECM is not detecting the 4X pulse from distributor. 137000 miles automatic. . I've had it, I had it 2 times on my 94 TA GT, 2 times on my wife's 95 Z28, and 3 times on my 97 Comp TA, in less than 1,000 miles!! P0336 crank sensor and opti problem: This is a discussion on P0336 crank sensor and opti problem: within the LT1 forums, part of the Vehicle Specific category; Ok, here is my saga. Lt1 vs. Then rule out any type of problem with the fuel system (injectors or pump) and air intake (loose clamp or hose). A. yes its a pain in the *** to fix the opti. 92-94 LT1 Optispark PROPER Installation Explained How to properly install the optispark distributor on similar years of LT1 Camaro, Firebird, Trans Am, Impala, Roadmaster, How to Replace the Optispark Distributor on your LT1 5. This engine was a definite improvement over the L98, and the Opti-spark was part of the package. But, since I made those changes, my car is hard starting after sitting for like 30 minutes. The factory connectors tabs break when replacing the OptiSpark making this a must have. The head sensor works the dash gauge, the sensor on the WP goes to the computer. The 94-97 LT1 and LT4 intake manifolds appear the same from above, all LT4 intakes are powder coated red from factory, but the difference is in the intake ports. Few problems with the Optispark 1. I had it in a shop for 6 weeks and they couldn't replicate the issue. This LT1 Camaro is ready to hurt some feelings out there for a long time to come ; ). LT1 Wire Harness & Tuning. The starter is new. The two aftermarket optis that I've installed on my 94 coupe were modified to vent, but this appeared not to have I think id rather have a gen I SBC with an LT1 intake over an LT1 with the optispark and the cam driven water pump. Performance parts for a car like the 1984-1996 Vette is a fairly inclusive category. LT1 Swap to LS 411 pcm. Upgrade and relocation kits and heavy duty parts to help the Corvette apply The LT1 engine often exhibits a rough idle at start-up, especially after the car has been sitting for an extended period of time. Vehicle is located in Ramona CA. Where is it? The opti is mounted on the front of the LT1, above the crank snout and behind the water pump. Iron attracts moisture, which in turn oxidizes the tin creating rust inside the distributor. I have replaced the fuel relay, when it runs it has about 25 psi of fuel pressure, should it have more psi? When it will not start up it has no fuel pressure. 7 Engine South Main Auto Repair LLC 444,710 views. Search the web for the various kits that fix this issue. If those are okay, it's most likely your Optispark system. " Oct 06, 2019 · I know I put one on the optispark though is there was a nipple there that didnt have a hose. After that, I think I’ll have found and fixed all of the major common problems on these motors (PMD overheat, loss of wastegate actuator being the other major ones). Separating the two made it easier to install the Optispark distributor on the assembly line and out in the field. Yes check for RPM on a scanner. There are 3 different LT1 intake manifolds, 92-93 LT1, 94-97 LT1 and 96 LT4. 0 to 1 compression on regular gas, I think reverse cooling was a pretty good "fix. I blew out my Optispark Mar 23, 2015 · I just changed my optispark on my 94 Camaro z28 and now the timing feels like its advanced to much, it pings with any - Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website. Replaced gaskets and seals. Feb 05, 2011 · The Delteq Opti-Direct Solution - The Delteq Opti-Direct system solves most of the LT1's Opti-Spark problems by converting to a distributorless system similar to that used on the Cadillac Northstar engines. 7 V8 350, Replaces GM 10457702, 1103947 A-Team Performance Complete OptiSpark Spline Drive Distributor with Spark Plug wires and Wiring Harness Compatible With Chevy GMC Chevrolet 92-94 LT1 V8 5. To replace it the water pump must be Newbie to OptiSpark never fix it unless its broken. MSD 6al box, MSD coil. Test drove it and it ran great. I am a member of a z28 forums, and lt1tech, and every day it seems like someone is posting that there optispark is acting up. During cranking, the timing is controlled by the ignition module while the ECM monitors the engine speed. 1994-95 ecm, this is wire B2 (black connector). If so it is under the water pump on the front of the engine. Sign in to reply Check Engine Light Diagnosis If you just do the water pump and the opti-spark distributor, then it is about 4 hours. The firing order on the LT1 1992-93 was 18436572 which are the same as the old school V8 TPI, TBI and crossfire. The Our Direct-Fit custom wiring harnesses are plug-and-play, custom built, and designed specifically for your project utilizing a 94-97 LT1/4 or 97-up LSx or Vortec small block. The harness at view is made to fit a LT1 (Impala/Caprice/Camaro) the computer mounts in the right hand front fender, passenger side. 92-94 LT1 Optispark PROPER Installation Explained How to properly install the optispark distributor on similar years of LT1 Camaro, Firebird, The mechanical signal kit that generates the 24x crank and 1x camshaft signals can be installed on any year LTx engine that came with an Optispark (spline or pin drive). I believe this will apply to the  19 Sep 2017 How to properly install the optispark distributor on similar years of LT1 Camaro, Firebird, Trans Am, Impala, Roadmaster, or Corvette. The LT1 was first available on the Corvette […] LPE offers this LT1 to LS1 coil conversion computer to help eliminate some of the issues related to the optispark distributor. 57 MegaSquirts Other ECU functions TunerStudio settings Suggested parts Thanks to “Mobythevan” on hybridz. the codes that i pulled was just misfire codes on cyclinders, my dad had access to a tech 2 so i plugged it in and took it for a drive put it under load and watched the misfire graph go crazy. 0 and V3. It is mounted on the water pump and when that water pump seal starts to leak it leaks into the distributor housing causing condensation. tif: This cutaway LT1 picture from GM shows exactly what is going on with the infamous distributor. they quote 10hrs at 60. There are a few common issues with these, as there are for almost any old car. Use our EFI 24x and EFI 58x product lines are the best to replace the troublesome LT1 optispark distributor. I changed the Optispark, from O'Reilly, at least 4 times on it when the car used to shutdown completely. · Chevy Caprice 1995 - 1996 4. ) Hello, I have three optisparks, 1 is OEM, 2 are MSD. Sep 17, 2007 · Opti-Spark Ignition System Tune-Up Don't be afraid that you can't even see your distributor. Jun 03, 2019 · Learn how to test your fuel pressure to diagnose engine problems (no start, hesitation, long start, rough idle, etc) Jul 21, 2015 · The fourth-generation Camaro started with a couple of new engine platforms in 1992. com ✓ FREE  Notes: This distributor replaces the Optispark II vented, pin drive style OEM distributor only. 7L for Non-Vented Optispark Distributor MADE TO EXACT MITSUBISHI SPECIFICATIONS - MADE IN JAPAN Be the first to write a review . Each harness is built from scratch specifically for your engine and vehicle combination. tach and shift lite. It uses an optical sencer vs magnetic. LT4 intake ports are raised, and use different cylinder heads and intake port gaskets. Edmunds' expert review of the Used 1993 Chevrolet Corvette provides the latest look at trim-level features and specs, performance, safety, and comfort. Both, the ignition module and ignition coil get power (10 to 12 Volts) from the same circuit, so by testing one component you May 23, 2020 - Explore rickbobbitt9's board "CHEVY!!!", followed by 205 people on Pinterest. 7L Optispark II Electronic Advance Distributor. EFI Connection's 24x LT1 systems are   The LT1 Kit comes with the Opti-Spark connector factory installed - a 90° spark plug boot/terminal and HEI boot/terminal are provided to complete the other end. In many instances, adding a fuel stabilizer and/or fuel injection cleaner to the fuel tank helps resolve this issue. The transmission on this application is the 4L60E. It didn't affect the car that much as it was having problems at the time. 7L V8 with 108665 miles Everything works Glass top new tires by LP Anderson with nitrogen dual power leather seats red interior Avoid the top 5 most common EFI installation mistakes to get the most out of your new EFI system. The Accel LT1 Optispark Distributor is a High Performance Replacement Distributor for the GM Opti-Spark. It won't show sync on the Jan 11, 2016 · The earlier cars, pre LT1, are by far the most reliable. The electronic module that drove the ignition coil would have intermittent failures, or fail completely. 30 Jun 2019 This video is a How-To for you to DIY replacing your optispark if you have a 90's era LT1 F-body Firebird Trans How to Replace the Optispark Distributor on your LT1 5. · Complete unit including Distributor, Cap and Rotor. (Of course. The latter is what hot rod did in their buildup a few years back. High performance water pump. 5TDs. problems on LTCC equipped vehicles. Chevrolet LT1 engine 383 stroker - Callies forged crank. I checked the obvious things such as the dipstick, valve covers, the oil pressure sender, and even the oil pan. Now, I recently read that the LS1 & LS2 were reverted back to the old syst Possible Opti Fix For the last week, my car has been throwing a High Resolution code and breaking up at high rpm. i had similar problems in my 94 camaro lt1. These distributors feature an aluminum housing with heavy-duty oilite bushings, and a glass-reinforced cap with high dielectric strength and aluminum terminals. Unfollow lt1 optispark to stop getting updates on your eBay Feed. Apr 15, 2020 - Explore cockshutt35's board "Lt1 engines", followed by 105 people on Pinterest. They all work on the stock 1995 LT1 PCM. The OE unit was prone-to-fail. LT1 Engine Issues – The OptiSpark ignition system on these cars can be tricky. 95 impala lt1 will stall when warm and not start back up till the engine is cold. Lt4 Comparison -- Courtesy the Grand Sport Registry The Herd's Impala SS Tech Articles Page Mike Chaney's Optispark Dissection Page Brent Franker's F-body Fix It and Install Guides DryNitrous. It still uses the optical module in the optispark, but no high voltage is passed through it. Balanced and polished. F Hello All, I have a stock 1994 Trans Am LT1 Automatic. The engine is bucking, sputtering, and hesitating. Spark plugs were changed with the new optispark. The LT1 was an evolution of the SBC, (one which took it close to not being an SBC but still close enough), and if I can run 10. 7L LT1 is rated at 275 hp at 5,000 rpm, with 325 lb-ft of torque at 2,000 rpm. With new MSD goodies, you too can tackle the Opti-Spark tune-up. Real garage kept gem from my neighbor. Car now runs like a dream. · Chevy Camaro 1995 - 1997 5. 124 results for lt1 optispark Save lt1 optispark to get e-mail alerts and updates on your eBay Feed. This is the deal I lost spark and fuel, so I replaced the optispark and then the coil and then the ignition module and still no spark or fuel. Jan 15, 2004 · I have some excellent news for all LT1 engine owner’s who are having Optispark related problems. See more ideas about Engineering, Ls engine, Car maintenance. Sep 20, 2011 · Optispark Problem Solve And Fix - Somewhere we should make a joke about Optisparks, and their particular failures. This is a very LT1 Engine Removal F-Body Camaro Firebird Body LIft Off How to Replace the Optispark Distributor on your LT1 5. The final adaptation of old theory was f-body technical specifications, part locations, part numbers, how-to guides, diagrams. As most LT1 owners can attest the Optispark is the Achilles heel to this otherwise excellent power plant. Its packed behind the water pump so when you fix / chang it its a weekend job. Carillo con rods. Re: LT1 Optispark sync loss issues by Alex94TAGT » Fri Jan 25, 2019 5:53 pm Note that the low-res noise appears to occur repeatedly at the same position in the pulse train: near the slot for Cyl #2 TDC. 30 over has new High volume oil pump, Accel optispark, and stock optispark. Well, all this does is pull moisture back in. A word of caution, there are several versions of the LT1 engine. Joined Aug 1, 2010 · 102 Posts . The part fit perfectly and the car fired right up the first try after I put it on. org for his notes on the settings for MS2! Application(s): All Chevrolet LT1, LT4, and L99 engines with the… Jul 05, 2019 · This is my first ever forum so bear with me. It hides behind the water pump. 00 shop/hr Odds are you have an optispark unitl. it also takes all the high voltage out of the opti, helping it last longer. The Chevrolet LT1 engine is the second-generation (Gen II) design of Chevy’s famous small block. i This 24x LT1 conversion kit is for use with any 1992-1997 LT1 engine fitted with a single or double row timing set. The most obvious difference that distinguishes the LT1 from these other engines is the front-mounted Opti-Spark ignition system. I have a hot cammed lt1 camaro and make about 360 rwhp. My mechanic had to replace my optispark. Good luck - I thought you had an earlier LT1 (as I had 1960's and 1970's Corvettes). Sep 17, 2005 · When the Lt1 first came out, a big deal was made about the flow direction of the coolant, from the top, or heads on down, as an improvement in engine cooling system technology, and adding to the longevity of an engine. Completely stock. Jul 23, 2014 · The Optispark is a unique ignition system found primarily on GM's venerated LT1, LT4 and L99 V8's from 1992 to 1997. this allows you to spin the motor above 6,000 rpm if ever needed. A lot of good tips along the way! It was too long for youtube Lt1 optispark conversion. skipping missing inconsistently, did the whole electrical system including opti spark and dist. This should be fairly easy to identify. I've checked the signal @ pin J3 of the FAST ECU connector and it does get a signal when the engine is turning (from the low-res output on the optispark connector). The Optispark is new and god forbid not failing me. Ignition Problem 95 Z28 LT1 2 Answers Ok this start pretty much a year ago and i have been trying to fix it and still no luck. What else would kill spark and fuel. CODE 42 - Electronic Spark Timing or Bypass Fault Trouble Code 42 indicates that there may be a malfunction in the Electronic Spark Timing (EST) system. Easy to buy, eay to use, easy to fix. Tin is a ferrous metal, meaning it contains iron. Once getting it home I was cleaning it up and cleaned the engine. Edelbrock BBK intake - ported for improved flow 80lb fuel injectors Ported plenum and intake K&N cold air intake and filter New MSD optispark Jun 22, 2007 · Answer: The '96 Camaro 5. email me (Don't send an email Jan 25, 2010 · And yes, the 'OptiSpark' system needs to be replaced every 90-100k and it is a really expensive job. to upgrade his LT1 to an LS PCM and also to be free of Optispark failures. Replacement OptiSpark extension harness for your LT1 vehicle mad from 94-97. Jan 04, 2007 · The LT1 is a great engine – with one huge problem — a problem that could cost you over a thousand dollars. To a novice, they all look like an LT1, because of the OptiSpark and water pump placement. While you look at the distributor also look at the spark plug wire routing for the LT1. At Edmunds we drive every car we review Yes, the optispark is a weak point, but mostly if overheated or not kept clean. "Optispark" died. replaced injectors, pcm, tps, icm, map, maf, iac, optispark. Hopefully someone will find it useful in their troubleshooting efforts. HUB AND BALANCER. 1991 Chevrolet Astro Van with a 1996 Lt1 Corvette motor with aluminum heads. I have tested the injector signals with a noid light, tested the fuel pressure (45psi), tested spark at all plugs- all were good. i spent about 2500 guessing trying to fix the problem. Visit our site for coupons and promotions. Nov 06, 2012 · The 1992 Chevrolet Corvette LT1 is very much a new traditionalist. All new construction features: New Accel polished aluminum housing with heavy duty oil-lite bushings, high dielectric strength glass reinforced cap, epoxy over mold and brass contacts with balanced rotor, cross flow vent design & includes shaft seals and For the easiest fix, unbolt the rear of the driveshaft, rotate it 180 degrees, and bolt it back down. 1992 Chevrolet Corvette LS1. The L32 V6 engine was used in the Camaro and Firebird F-body cars with moderate success. It covers everything from the air intake to the exhaust system, including things like heat shield and cooling ducts as well as control chips, MAFs and other sensors and even regulators. Sucks because it only has about 125,000 miles. Ships from and sold by KMJPerformance. The wires and plugs are much more. The 2017 Camaro 50th Anniversary Special Edition is available summer 2016 on 2LT and 2SS coupe or convertible models. The lt1 is reverse cooled for it higher compession. Camshaft/Waterpump and Optispark Seals Replace Video Here's Goldmaster demonstrating tearing into a 96 LT1 and replacing the camshaft/waterpump and optispark seals (and everything that happens along the way), also opti inspection. Discussion Starter • #1 • I will come back and import the pictures that are linked herein later. 4th Gen LT1 F-Body Technical Aids ~For 1995 F-body unless otherwise noted~ ~Providing 4th gen LT1 tech on the 'net since 1999~ Home. And they regularly deliver 25 mpg on the highway (not with full trailer tho!), and 20+ in town. 187 drill bit to enlarge the factory drain holes and took a razor blade to the inside of the cap to improve air flow. Its dark here. Available in 12 and 24 i Re: Lt1 missing, is this another opti problem? You can buy a scanner at Autozone or Sears for about $50 to read just codes. 3 after changing half to stuff over like accessories and what not to have amble clearance. So rule that out too. The L98 cars have large sheet metal motor mount braces that directly interfere with the accessory system on the LS motor. I briefly had a 1997 Camaro Z-28 with the LT1 with the Optispark This is a '95 rebuilt (never ran) LT1 with new injectors, opti, coil, wires, sparkplugs, etc. For Trigger  Optispark may well have worked perfectly during the testing testing it wasn't quite so straightforward for the LT1. Jump to Latest Follow 1 - 11 of 11 Posts. In fact, in basic description Optispark fixes range from the vaccuum pump from 95? (I'm sure you know though) on to drilling out the drain holes. Moisture is usually the cause, resulting in rough running engine or a no-start situation. Its two main roles are to create a spark strong enough to ignite the air/fuel mixture for combustion and to control the timing of the spark plugs by opening and closing the ignition coil ground circuit. This is for a 1996 Chevy Caprice (cop) LT1. You CANNOT bolt a 1995+ Optispark up to a 1992-1994 LT1. If it is not reading the computer can stay in open loop. It has now grown to 5 or more engine types and over 50 conversion kit options to suit your project. Mar 27, 2020 · Getting MegaSquirt to work with the Optispark Updated 3/27/2020 Introduction MS3Pro wiring Internal mods for V3. Like Spidey, at over 100K they seem to have EGR problems in additon to the Opti. The LT1 has 2 sensors, one on the water pump and the other in the driver side head. Ignition Wire. The LT1 engine is very susceptible to vacuum leaks caused by failures of both vacuum hoses and vacuum control solenoids. The LT1 powerplant uses the late model 350 oil pump with the 3/4″ pickup tube. If you keep tickling the gas it will run, and that lets us move it around the yard, but there's a fundamental problem that I need to fix and I am not a mechanic. 4th Gen LT1 F-Body Technical Aids Optispark Mounting Exploded View (vented My 92 LT1 w/ 51k miles has numerous (or what appears to be) oil leaks. 6. 7L V8 engine that was produced from 1992 to 1997 has GM technical service bulletin 87-65-27 offers a fix for Opti-Spark misfiring in the  Since 2008, our 24x LT1 conversions have been eliminating the optispark distributor and transforming LT1 engines. If your Corvette has the LT1 engine then it likely has a problem with the Opti-Spark distributor. This will require some fabrication on mounting the stock LS1 coil brackets to the valve covers as well as getting the plug I guess its a good system, it seems reliable, but the down side is that when it goes it is a pain to fix, rather expensive, really don't understand why you would put a system that is vulnerable to water right under the water pump. Beware of reading Aug 11, 2018 · Optispark lt1 GM - Duration: 11:34. Put cold water on a hot Optispark, it's going to suck the water in! This is the BIGGEST problem with the design. Black front and rear MOSTPLUS New Ignition Distributor & Harness for Optispark LT1 Chevy Camaro Caprice Corvette Replaces 1104032 2. LT1 have the OptiSpark which is a pain cause water can get in them and there expensive as hell to replace. Is your Optispark unit vented? Earlier units were not vented and failed early. , dist. […] The LT1 powerplant uses the late model 350 oil pump with the 3/4" pickup tube. Well, the new opti gave the same trouble as the original. 7 Engine This video is a How-To for you to DIY replacing Oct 24, 2012 · There’s a new small block in town, baby: keeping the spirit of the original 1949 Kettering OHV V8 alive. If you wanna do a 5. The CAM is different. What I've done to fix the issue: I've replaced the ICM. 7-liters, or 350 cubic-inches, the LT1 is found primarily on Corvette and Camaro Z28s from 1992 until 1997, when it was replaced by the LS1 engine. 57 MegaSquirts Wiring for V3. The "opti" has two parts, a low-voltage optical section and a  The Chevrolet LT1 5. This is the black/red wire that goes to terminal "A" on the pigtail connector. 1995 LT1 Corvette Water Pump and Opti seals - Duration: 8:27. it uses 8 ls1 coils, and eliminated the cap and rotor from the opti all together. Jan 25, 2015 · In addition, it is difficult and tedious to gain access to it. Piston Slap says the new name is sad: mediocre memories of the Optispark munching, reverse flow coolin’ LT-1 is not a fitting successor to the sheer splendiferousness that was the LSX. Check wiring connections, especially the pigtail connector from the optispark to main wiring harness. Cheap insurance. Non-OEM parts go for around $125. Finally have a forced day off and time to post this up. feedback PLEASE. Pretty much when i go to start the car it cranks over a bunch of times before it starts up. A lot of good tips along the way! It was too long for youtube Details about New Optical Sensor Module Encoder LT1 5. I need to pick up a relay from the store on Wednesday to hopefully fix the Oil Pressure Sensor/Lift Pump interface problem that is common on the 6. Hello, I have three optisparks, 1 is OEM, 2 are MSD. WTF. · Chevy Corvette 1995 - 1996. B-Body owner and nut. im debating on whether to buy Dec 31, 2010 · LT1 Optispark/timing issues This is a '95 rebuilt (never ran) LT1 with new injectors, opti, coil, wires, sparkplugs, etc. Plugs are OK, wires are new. Ignition Coils. Front grill and hood were wrecked, so they wrote it off. No need Jan 04, 2007 · The LT1 is a great engine – with one huge problem — a problem that could cost you over a thousand dollars. This is the LTCC (LT1-to-LS1 coil conversion) designed and manufactured by Bob Bailey of Bailey Engineering, the same outfit that designed and produced the popular Scanmaster MAF translator and Translator plus for Turbo Buicks and LT1s First introduced on the Chevrolet Corvette in 1992, the generation II LT1 engine is a high-performance small-block engine that hearkens back to the 1970 generation I LT1. Cold air intake. Custom front grill and Van has been professionally lowered. Feb 01, 2001 · When the Opti-spark first came out in 1992, it was part of a new engine package dubbed the LT1. The LT1 was initially used in the 1992 Corvette with some success, but It seems to die when you pump the gas pedal. On TPI it's the distributor that gives the signal to the ECM. When the lens is partially blocked it sets off an alarm. Failing that, either of the factory aluminum driveshafts (1LE, LS1) or a good aftermarket driveshaft should fix your problem, of choose a good aftermarket vendor if you're looking for an The optispark the previous owner had on it was an original 93-style spline shaft unit, but they replaced it with a vented MSD cap so they could run a vent line to the manifold (it had a procharger on it). Chrome headers. With the latest Optispark, same brand as the others, the only trouble code I get now is 00-36, like you do. 187 drill bit to enlarge the factory drain holes and took a razor blade to the  Buy Assault Racing Products 1235012 Vented Optispark Distributor LT1 LT4 for Chevy Camaro Corvette Pontiac Firebird: Distributors - Amazon. In most cases a Direct-Fit harness will allow you to retain all of the factory lt1. Mar 10, 2019 · If the LT1 is stalling, starts then dies or shuts off, check the vacuum lines first! Before replacing the optispark, EGR valve, IAC valve, fuel pump or any other expensive parts. 11:34. Reviewed in 1992 Chevrolet Corvette. J&E forged pistons. If pulling timing out of an engine doesn't suppress or eliminate knock, then most likely your problem is rooted in carbon deposits or a hot spot on the piston or combustion chamber. honestly the ltcc conversion is a lot better then the delteq and cheaper as well. Ive changed more of those than I would like to remember. 00 for the optispark alone. GM sells a replacement in the $825+ range. Rated 5 out of 5 by Matt240 from Works great so far I bought this optispark a couple no the ago to fix my 1994 LT1 camaro, it was substantially cheaper than the other brands so I decided to try it out since I ave had good luck with jegs brand parts in the past. Read more. cap, rotor button. Also turning an lt1 into an lt4 is just a top end swap and it making the same power as an ls1. The most cost-effective way to get from there to 450 hp is to add 85 hp or so with some bolt 1995 Caprice wagon, iron-head LT1 350. The Chevrolet LT1 5. 7L Black Cap Your sensor is most likely the optispark itself. the big issue with this engine is the opti spark distributor. The LT1 cars have a more friendly mounting system that needs minimal LT1 Throttle Body COOLANT BYPASS: EASY and CHEAP MOD This is a tutorial about doing a Throttle Body Coolant Bypass on the LT1 engine for a Camaro, Formula, Trans Am. I have dots on the floor across a 3 foot area, probably 7-10 dots of oil from what seems to be all kinds of areas- what are the common areas that leak that I need to look for? Engine top end (valve covers) seem to be clean OK SV gang, lets hear your thoughts / reasons why the non vented optispark distributor are the cause of so much pain and agony in the C4 community. Apr 13, 2009 · The first order of business,in diagnosing the ignition control module (ICM) and ignition coil, is to verify that both are getting juice (10 to 12 Volts). There used to be an update kit with the necessary venting plumbing to remove moisture from the unit under the cap. You can easily change the tune of your own LT1! For the average computer user and car enthusiast, there isn't much to it! With an initial financial investment and some time set-aside, you can get your car running great and take advantage of your mods. Mark's C4 Corvette 4,904 views. This was my Jun 06, 2018 · The Optispark Fix Owners quickly realized the issues with their distributor and used a . After an absence of a few years, Chevy brought back the Impala for the year 2000 as a front-wheel drive V-6 sedan. 94 coupe with lt1. 2. · Chevy Impala 1994 - 1996 5. with valve springs matched to the cam profile. Jump to Latest Follow 1 - 6 of 6 Posts. 1994-1997 LT1 MAFS The final year, the 1997 LT1 had a faster Intel based “Flash” computer processor, inside the ECM. um you dont have to replace the timing chain but if your doing a cam swap its a def must to replace it. 3 might as well buy a complete LS1 or you'll have just as much in the 5. this is my 3rd LT1 engine, I know these motor's up and down and I did diagnose the car, which was the first step, I did all the diagnostics but it didnt add up and didnt fix the problem so I had to resort to changing parts even though I dont like to do that, but ive replaced everthing related, still no luck, and ill suggest that to the shop I The ignition module of your vehicle is the heart of your entire ignition system. Mike96ss · $100 fix instead of a $600 reinvention of the wheel. The antenna motors stop working, but that's not a big deal either. My car has been on and off having minor and pretty major problems since I've owned it. LT1 in a 1997 K1500 Conversion The purpose of this is to explain in greater detail the process that I went through to install a 1996 WS6 LT1 into my 1997 K1500 4X4 pickup. Discussion Starter • #1 • Aug 12, 2009 The 94 and up LT1 is a sequential port fuel injection system. Van was considered a rebuild as it was older than what insurance would pay to fix. I have a 1994 Roadmaster Estate Wagon with the LT1 engine. 31k ORIGINAL miles second owner No mechanical Issues No leaks White with black interior Hard top convertible. It won't give you much data, though. Until this May. Hit me up for a lemony price if you need a spare. The LT1 is a great engine, but the Optispark distributor gives it a bad rap, for obvious reasons. The optispark gets its 12V and ground, high and low-res signals are there (only low-res is wired to the FAST ECU). Feb 18, 2008 · A few people have already experienced this problem. Without this voltage, the ignition system is not gonna' function. This engine also was used by Pontiac for the Firebird, by Buick for the Roadmaster and by Cadillac for the Fleetwood. The 93-95 LT1 engines had a version of Optispark that simply didn’t always work. The balancer is a two-piece assembly with a pulley that bolts onto the hub. High performance timing chain and gears. New Distributor For 1992 1993 1994 Optispark LT1 Chevy Camaro Caprice Corvette Impala & Pontiac Firebird 5. any thing else i might haved missed Posted by cryingblood4 on Sep 03, 2009 In 2008, we pioneered one crank and cam signal solution for an engine to use the popular LS-series electronics. Before you go out and buy a brand new 1995+ Optispark, be forewarned. Msd 6 series installation instructions 6a 6al 6t 6btm msd 6al wiring diagram for optispark distributor optispark problem solve and fix f opti gm high msd 6al wiring The main problem I've encountered with the LT1 is the contiuned problems with the optispark setup. nothing is perfect, but i would go with the ltcc conversion, pull the cap anc rotor, seal Find MSD Ignition Pro-Billet LT1 Distributors 83811 and get Free Shipping on Orders Over $99 at Summit Racing! Finally, all-out performance distributors to replace the OEM GM LT1 Optisparks--MSD's Pro-Billet LT1 distributors. Displacing 5. Jump to Latest Follow 1 - 5 of 5 Posts. Pain in the ass to replace. In addition, like replacing a timing belt, replacing the Optispark meant replacing the water pump because water pump failure almost always meant damage to the expensive Optispark. They feature a precision-machined billet aluminum housing that fits in place of the factory piece, a new pickup assembly, a trick timing adjustment mechanism, and a new Find Summit Racing® LT1 Optispark Distributors SUM-850060 and get Free Shipping on Orders Over $99 at Summit Racing! Replace your stock LT1 Optispark distributor with our all-new Summit® LT1 Optispark I or II distributors. Requirements for Converting to a Vented Optispark Spark Plug Thread Repair Using an Insert Prove Optispark Signals Are Getting To The Coil 27 Mar 2020 It is critical to get the Spark Output Inverted setting correct, as setting this wrong can result in damage to the ignition module or coil. maldo72 549 views. Even small amounts of water (think failing water pump bearings) will kill that thing. Drove it a couple days and everything was great. New opti  24 Nov 2016 This video is part 1 of the repair Titled: How to replace the Water Pump and Opti- Spark Distributor on a LT-1 Engine found in 4th Generation  The Optispark Fix. The LT1 engine often exhibits a rough idle at start-up, especially after the car has been sitting for an extended period of time. We are getting a new cap and rotor for the optispark, but I'm not sure if that will fix it. Fully Loaded 5. 4-liter (Gen I) design iron heads without splayed valves, this mill was rated at 160 hp. 300 hp and 330 ft lbs of torque from the factory. 7L V8 engine that was produced from 1992 to 1997 has some significant differences compared to the previous small block Chevy it replaced, and the third generation LS1 small block that later replaced it. Joined Aug 10, 2008 · 118 Posts . 0 out of 5 stars Only a temporary fix. AFR 205 heads, full porting and polishing. At the time, a genuine GM Optispark cost between $600-$800 before installation. We'll show you how to avoid making the mistakes to begin with, and we'll show you how to correct them if you've already hit one of these snags. order online today and pick it up in store at your convenience. The TPS looks OK, not slipping around at all. All the fuses are good. In the face of sports cars that are increasingly high tech and antiseptic, it keeps things simple. The Basics of LT1 Tuning. What’s not to love? So a couple weeks ago I picked up a 1995 LT1 C4 Corvette. The ride is good, loaded or unloaded. The motor mounts are different, creating consideration for how to attach the LS to the frame. The ease and compatibility of install of these components is the same for all engine years. Radio antenna stuck in up position. it often gets ruined by the water pump beginning to leak, not a great design. The LT1 was fitted in Chevy’s Corvette, Camaro and Caprice/Impala SS. The Special Edition features a Nightfall Gray exterior, unique 20” wheels and center caps, orange stripe package and a black interior with suede accents and orange accent stitching. Yes i now know not to get the optispark wet. Battery is new and charged. It's the pseudo-distributor of the distributorless LT1 where all the spark plug wires connect into. Description: Replace your stock LT1 Optispark distributor with our all-  The GM Optispark is an optically-triggered ignition distributor used on the LT1, LT4 and L99 engines. On the 1992-93 ecm, this is wire C5 (green connector). Or in the LT1's canse cuts out the spark. '92-'97 LT1's across all the platforms are supported. The "opti" has two parts, a low-voltage optical section and a high-voltage cap and rotor section. There are DIY 'quick fixes', but as always with difficult-to-reach places, we highly  Apr 15, 2020 - Explore cockshutt35's board "Lt1 engines", followed by 103 Car Hacks, Car Care Tips, Truck Repair, Vehicle Repair, Car Fix, Diy Car, Car MSD Ignition 83811 GM Chevy LT1 5. 72 Only 12 left in stock - order soon. Owners quickly realized the issues with their distributor and used a . Optispark Problem Solve And Fix F Opti Gm High; Wiring Diagrams Repair Guide Autozone; Gmc Wiring Harness Diagram Free Wiring Diagram; Gm Lt1 Wiring Harness Wiring Diagram; Lt1 Opti Spark Wiring Help Megasquirt Hybridz; 92 94 Lt1 Optispark Proper Installation Explained; 4th Gen Lt1 F Body Tech Aids Shbox; Wiring Diagrams 73 87chevytrucks lt1 msd optispark any good??? Results 1 to 13 of 13 This is a discussion on lt1 msd optispark any good??? within the LT1 forums, part of the Vehicle Specific category; i have a 94 corvette with the early style non vented optispark in it. Distributor; Opti-Spark II; High Dielectric Strength Se. The optical gets into problems when it is obscured with engine fluids and vapors. lt1 optispark fix

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