Optispark lt1.

Optispark lt1 if you had to use the fasteners to pull opti mounting tabs up to the block, the opti is ruined, or will have premature failure. with your vintage, and where you live, I would not expect your opti being bad. You'd have to do the LT1 distributor hole mod to make this work on an LT1, but it's another $1200 option for those who've had enough with their opti's. Vents in body are condensation drain holes that should be left open. The LT1 is a solid engine, with horsepower and torque to spare, and a large aftermarket for performance upgrades. lt1 msd optispark any good??? i have a 94 corvette with the early style non vented optispark in it. May 7, 2013 · I recently replaced my optispark cap and rotor on my 1996 Firebird Formula. Fits 1992–1996 Chevrolet Corvette with LT1 or LT4 engine. Eventually the engin Sep 21, 2010 · The older Opti-Spark I distributors are not vented and do not have these hose connections. Our Optisparks are built from the component level using premium materials and time-tested techniques — trusted by enthusiasts and professional shops for their reliability and long-term durability. All great suggestions to keep the Opti working. If it's a nice blue spark good that means your opti is receiving spark. Fits 1995-1997 LT1 Camaro 1995-1997 LT1 Firebird 1995-1996 LT1 LT4 Corvette ; This is the small harness that connects the optispark to the main engine harness on the LT1 engine. Buy a $3 tube of premium black Permatex RTV, because it withstands the highest temps. Sep 13, 2023 · Getting a random LT1 Optispark can easily cause many issues in the long run. 1 out of 5 stars Oct 11, 2019 · C4 Tech/Performance - Optispark Distributor 1992 Covrvette LT1? Which one is best? - Hey guys, Gotta replace the opti on my 92'. I've got the distributor replacement already, but I am having a LOT of trouble finding a cap and rotor kit. Optispark distributors and complete service kits for all 1992–1997 GM LT1 and LT4 engines. Since 2008, our 24x LT1 conversions have been eliminating the optispark distributor and transforming LT1 engines. Rides like a Cadillac thanks to air bags. It has now grown to 5 or more engine types and over 50 conversion kit options to suit your project. However, it also ch Aug 9, 2007 · Fortunately, MSD now offers the Pro Billet LT1 distributor, a comprehensively upgraded OptiSpark unit designed to fit all LT1- and LT4-powered Corvettes. The following information was found in camaroz28. Conversely, if you had a type 2 chandler opti in your car, the delco optical sensor would have to be a type 2. Petris Optispark Distributor for Your 1995-1996 CorvetteThis premium ventilated pin-drive Optispark distributor is a direct-fit replacement for factory units. Many problem MSD optis during this period. Jun 6, 2018 · Use a good amount of silicone and don't force it into position, as that means it's misaligned. I had the starter tested Mar 19, 2005 · At this time you need to know the ordering of the cylinders on the driver side of the optispark, it is as follows: from TOP to BOTTOM on the opti it is 5-3-7-1, that is #5 cylinder is the top most plug terminal on the driver side of opti, #3 is next down, #7 is next down again, and #1 is the bottom terminal. May 14, 2005 · Who hasn't had problems with an optispark? LOL. Mar 2, 2016 · 24” Optispark connector harness for 1995-1997 LT1 applications. USA-built and bench tested for top reliability. → If you have a Camaro, Fi Shown on my 1993 Z28 camaro. Got it all tore down, and ready for the new optispark cap and rotor. These are on the front of the engine beh Jan 4, 2007 · The Opti-Spark is a distributor with a two track optical position sensor, a keyed drive shaft, an ECM, a single ignition coil and driver and conventional secondary wires and park plugs. Instead, the issues would come from a number of factors that may be easy to overlook. R. Oct 15, 2014 · I paid 239. However, the tests shown don't test for the actual opti low & high resolution pulses. You will know 100% if optical section is working correctly. I currently have an advance auto parts opti in it now but I use the stock Mitsubishi cam sensor that originally came with the factory GM opti. Jan 19, 2018 · As noted by many members, the LT1 and Optispark weren’t just used in Corvettes, the same system was also used in Caprice taxis, which regularly saw several hundred thousand miles. IMHO, it seems like a waste of time to replace just the cap and rotor, unless there is a noticable problem with the cap and rotor thats currently on there. This was the second generation of the GM small block V8 motor and the first major design change since 1955. I know the water pump was replaced a while back before I owned the car, and to my knowledge, the original Optispark was untouched. The differences between the 1992-1993, 1994-1995, and 1996 LT1 engines primarily involve improvements in Jan 29, 2013 · Hi i swapped a 96 lt1 engine into my 56 Chevy. One line is connected to an engine vacuum source and the other to the air intake after the filter. 7 liter LT1 V8. After a day of drying it up that sucker fired right up. 7L) and L99 (4. 7L- Caprice, Corvette, Camaro, Fleetwood, Roadmaster, Firebird: Distributors - Amazon. Jan 23, 2021 · Route tubing away from opti. To a novice, they all look like an LT1, because of the OptiSpark and water pump placement. $150 + shipping- Jeg's has an MSD kit, but it's not available This is the LTCC (LT1-to-LS1 coil conversion) designed and manufactured by Bob Bailey of Bailey Engineering, the same outfit that designed and produced the popular Scanmaster MAF translator and Translator plus for Turbo Buicks and LT1s Dec 7, 2019 · Spline type has gap with a missing spline. Finally, for long-term reliability, change the water pump and the intake manifold gasket at the same time as an Opti replacement. There are a lot of potential iss The LT1 engine, produced by Chevrolet for various cars between 1992 and 1997, underwent significant changes over the years, particularly in the OPTI (Optispark Ignition System) – ECM (Engine Control Module) and the Fuel Injectors. All new construction features: New Accel polished aluminum housing with heavy duty oil-lite bushings, high dielectric strength glass reinforced cap, epoxy over mold and brass contacts with balanced rotor, cross flow vent design & includes shaft seals and Jan 18, 2010 · getting to the opti is involved enough that you are going to want to do whatever preventative maintenance you can while you are at it. This cannot be further from the truth! The table below outlines the differences. Reserve a long day to fiddle around. However, I do have some kind of oil leak going on. The Optispark acts as both a crank wheel and cam sensor. 1994 Camaro Z28 19x,xxx miles New LT1 and built 4L60E - K&N CAI, Elbow, Air Jan 13, 2012 · Type 1 and 2 opti have different components inside. The OE unit was prone-to-fail. On the flipside, no-one with an AC Delco optispark has ever had issues with it. But stay away from car wash. I have a 93 vette I want to sell, and it's been running like crap. We covered the Pro Billet's particulars in LPE offers this LT1 to LS1 coil conversion computer to help eliminate some of the issues related to the optispark distributor. 5 out of 5 stars. Mar 17, 2018 · '95 B4U LT1/4L60E in Purple Pearl. I. 00$ for the NEW Cardone Opti, and it even came with a new opti harness. Anyway, here is what I learned from using the scope on my 93 that other may find useful. ACDelco GM Genuine Parts Remanufactured Distributors. If its around 5000 ohms or so its fine. I've got a '95 LT1 with 84K miles now. Also in the sticky threads of this section is the diagnosing the optispark video you should watch. 24x 355. You are most likely able to start the engine back up, but as time goes by the wait time increases before the engine will start. goal would be to show how good the old motor is - even in a new c7. Trapped moisture is a VERY common problem. Full vacuum does suck the cap down onto rotor. If you have use force it probably out of position. The opti exploded March 3rd and was replaced with another stock opti. the opti on the 96's are much more durable, and should last over 80k. Not Available. Oct 19, 2004 · 4th Gen Optispark and Water pump Replacement Written by Robert (call me "Bob") Forney and Charles O'Toole, but mostly by Bob Here are the symptoms of a faulty opti-spark: * Car suddenly dies and won't restart * Starts but immediately dies * Extended cranking to start * Rough idle * Sputtering * Backfiring * Trouble reaching higher rpm Replace your Opti-Spark with an all-in-one crank and cam signal sensing unit. I want to say that 95% of the time, the car has a split-second Mar 6, 2017 · Went to change that seal (and all the timing cover seals) and while i had everything apart i said to myself why not change everything out while i have it apart bought a new water pump and took my optispark to oriellys and swapped it out for a new one even though it worked fine its a rich and porter optispark with a lifetime warranty (Spectra Mar 25, 2003 · Here is a schematic of the 1995 electrical system going to the optispark. This is a complete unit. The Optispark is a unique ignition system found primarily on GM's venerated LT1, LT4 and L99 V8's from 1992 to 1997. And the PCV system issues also frequently foul the spark plugs. I don't ever want to replace the opti again and if I go MSD I will probably buy plugs, wires, and Sep 2, 2020 · The LT1 coil-on-plug converters with adjustable retard and intelligent rev limiter still use the optical module in the OptiSpark distributor, but without high-voltage passing through it. The optispark is an optically-triggered ignition distributor that uses a laser/eye unit and a disk with 360 slots to time spark and injector pulses. you will get a code P1371 no low resolution signal. This distributor was installed on : 1992 – 1996 LT1/LT4 Corvettes (Y-Body) 1993 – 1997 LT1/LT4 Camaro’s, Trans Ams (F-Body) 1994 – 1996 Fleetwood (D-Body) 1994 – 1996 Impala, Caprice, Roadmaster 3 days ago · Finally, all-out performance distributors to replace the OEM GM LT1 Optisparks--MSD's Pro-Billet LT1 distributors. I'm wondering weather I should go MSD, Delphi, AC Delco, or any other opti that's out there. the msd claims that it has a fresh air vent. com FREE DELIVERY possible on eligible purchases Dec 21, 2016 · If you recall from the 396ci LT1 buildup a few eons ago, Greg installed all the mechanical parts when assembling the bottom-end. Good luck! Optispark Plug Wire Locations & Firing Order; Distributor Ignition System Schematic (1993) Distributor Ignition System Schematic (1994-1995) Distributor Ignition System Schematic (1996-97) Power Window Schematic; Power Window Switch Connectors; Power Mirror Schematic (1995 Camaro) Power Mirror Schematic (1995 Firebird) Had a bad oil leak and it leaked into the Optispark distributor and into one of the plug wire connectors on the cap. The optical part is ridiculously accurate and foolproof. I never had any problems on my 96 even with running an MSD box. These distributors feature an aluminum housing with heavy-duty oilite bushings, and a glass-reinforced cap with high dielectric strength and aluminum terminals. 1992 Corvette LT1 engine. Can I place an order by phone or email? Orders can also be placed by phone by calling 1-226-289-3369 or by email at sales@torqhead. This part is a Mistu build piece and is VERY accurate at reading cam position and delivering timing signals, but its very moisture sensitive. This is likely due to their lack of quality control, limiting their efficiency and lifespan. Warranty Petris Optispark Distributor - Ventilated Upgrade for 1992 LT1 Corvette. Nor am I saying performance ignition company's are lying. maybe get into hot rod magazine ? Dyno pulls and drag runs comparing the two yay or nay? Jun 26, 2008 · What is the firing order for the left and the right side of the cap on a 1997 firebird formula. I have used a stock advance auto parts opti cam sensor before and the car ran like crap. Given that cost is an important consideration when buying, the prices of these different brands will vary. Nov 4, 2009 · Replacement Optispark and Water pump install (1992 LT1) A little background story: A few month's back, my '92 developed a very strange "hesitation" problem which would show up a few seconds after the car started running - only to last a few seconds - then disappear all together. A word of caution, there are several versions of the LT1 engine. I have 12volts coming out of the coil and 10. Apr 3, 2006 · Stock opti and stock coil. Includes USA-built Optispark, plugs, wires, gasket set, thermostat, sensor & bonus tool for your 1993–1994 Corvette LT1. 7 out of 5 stars 23 2 offers from $9495 $ 94 95 Feb 12, 2014 · Any higher than 7000 ohms means you should replace it. Summit Racing™ LT1 Optispark Distributors for 1993-1994 CAMARO, FIREBIRD, 1992-1994 CORVETTE - SUM-850059 SUM-850059. (2). If the distributor is removed from the engine, the Opti-Spark II unit will have anon-splined pin shaft. With high voltage removed from the Opti-Spark, the problems of cap & rotor wear, internal arc-over and cross-firing vanish. Click image to Oct 17, 2023 · C4 Tech/Performance - Narrowing Down No Spark - Optispark Diagnosis + Repair - After a stormy night and being caught without it's cover for a few minutes, my 94 LT1 Vette suddenly blew. the module inside the cheap opti is a no-name peice of junk. Therefore, both spark plug and wire failure are common on the LT1 350 due to these other common problems with the engine. All LT1 (5. Mar 5, 2021 · C4 Tech/Performance - Best available Optispark in 2021? - Sorry if this has been asked often, but I?ve been googling for days without a real up to date answer. 92-94 LT1 MSD Opti-Spark Cap & Rotor Price Jul 14, 2005 · Hi everyone, I've got a 94 Trans Am with the LT1, and I've been trying to replace my Optispark unit for the past month. 3L 5. 99. I have a vacuum hose that appears to have a 1 way valve and also a filter. The Accel LT1 Optispark Distributor is a High Performance Replacement Distributor for the GM Opti-Spark. Buy a $12 \’96 GM Vette distributor vacuum harness assy. Ran like a charm before, really no issues. type 1 put in 93-94 f-body. It’s just plain cool. These LT1 coil per cylinder converters with adjustable retard and intelligent rev limiter will still use the optical module in the OptiSpark, but no high-voltage is passed through it. 7 V8 350, Replaces GM 1104032: Distributors - Amazon. How do you know the Optispark is failing? Let’s envision you are out in city traffic. Replace your stock LT1 Optispark distributor with our all-new Summit Racing™ LT1 Optispark I or II distributors. Testing the opti can be done shoebox's site has opti testing. But some people havent. Distributor, Optispark I, Non-Vented, Spline Drive, Optical Trigger, Electronic Advance, Chevy, 5. I already killed Jul 18, 2018 · Yes, yes, yes on putting a restriction check valve into the line. I just bought a 1995 coupe and realized the ?new? optispark from NAPA that the PO installed was done wrong and had an oil leak. Different from OEM, MSD's pickup is an advanced optical encoder, which is stable during extreme RPM. Feb 14, 2012 · More disturbing, the optical disk was 'warped'. 7 V8 350, Replaces GM 10457702, 1103947: Distributors - Amazon. Buddy had a spare opti laying around so that is what I am running now but eventually he will want it Dec 14, 2012 · the opti when installed correctly will go on all the way before using the fasteners to pull on to the block. Use our EFI 24x and EFI 58x product lines are the best to replace the troublesome LT1 optispark distributor. Do you think that my opti pigtail could be bad? Jun 26, 2008 · What is the firing order for the left and the right side of the cap on a 1997 firebird formula. Distributor, Optispark II, Optical Trigger, Electronic Advance, Buick, Chevy, Pontiac, 5. Pull the number one wire from the spark plug (insert an extra spark plug if you have one) into the end of the wire and see if it is sparking. Late Model 94-97 GM LT1 Optispark performance replacement, with pin drive. Say good-bye to the troublesome LT1 optispark ignition system and enjoy the reliability of the LS ignition system. Jan 22, 2016 · This is a new Optispark distributor for 1995-97 GM LT1/LT4 engines. Quite simply, the Opti-Spark was a new distributor design that debuted on the 1992 Chevrolet Corvette LT1 V8. From reading the posts, the higher mileage LT1's have less opti issues. Leave it to MSD to build an all-out performance distributor to replace the OEM GM LT1 Optispark! We machine an entire billet block of aluminum down into a precise housing that fits in place of the factory piece. com FREE DELIVERY possible on eligible purchases Jul 14, 2021 · The LT1 OptiSpark issue also causes a lot of issues with the spark plug wires. 7 V8 350, Replaces GM 1103916: Distributors - Amazon. you will get a high rpm stumble. . It's a conversion to ls1 type coil pack ignition. anybody out there know Mar 29, 2013 · Hi all. Measure the resistance of the opti harness and if it seems very high, replace it. 7L LT1/LT4. Wanted to ask a question about this seal behind my opti-spark on my 96 Firebird LT1 engine. Part Number: SUM-850059 Estimated Ship Date: Tomorrow "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. Jul 27, 2017 · Buy MAS Ignition Distributor with Cap & Rotor Compatible with Optispark LT1 Chevy Camaro Caprice Corvette Buick Roadmaster Pontiac Firebird V8 5. Some guys have had great luck with MSD optispark. It is costly. My car symptoms are as follows, 1. Replaces discontinued GM part number 12554393. rebuild kit (Pep Boys or NAPA) 1996 Vacuum Hose Kit PN - 12556174 or 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 Am, Camaro, or Corvette. PLEASE READ OUR BLOG POST PRIOR TO PURCHASE. and/or Apr 29, 2025 · Finding the best LT1 optispark replacement to restore spark to your LT1 engine is never easy. Mar 12, 2014 · (1). 7L 1993-1994 Optispark Distributor, High Performance Feb 1, 2006 · I would'nt purchase any other aftermarket product for this model of distributor but MSD. Shop for 1993-1994 Corvette Petris Opti Spark from Zip Corvette 92-96 LT1 Water Pump Gasket. In order to keep sequential fuel injection on the LT1 engine you must retain the Optispark distributor. We strapped the solid roller, 13:1-compression beast to the dyno MAS Ignition Distributor with Cap & Rotor Compatible with Optispark LT1 Chevy Camaro Caprice Corvette Buick Roadmaster Pontiac Firebird V8 5. Do a google search for optispark conversion kits. MSD 8381 GM Chevy LT1 350 5. Any higher than 7000 ohms means you should replace it. 7 V8 350, Replaces GM 10457702, 1103947 3. 92-96 LT1/LT4 Spark Plug Wires (Reproduction) $102. They were used only on LT1 engines for both Corvette and Fbodies and the LT4 for the Corvette. I already killed Nov 17, 2008 · In the long run going with a rebuild of 90 dollars versus buying new opti's or MSD's version you will save a whole lot. if your car was running and wasnt producing any codes and if you had a real delco or delphi opti i personally would recommend keeping the original unit and installing a Nov 26, 2020 · C4 Tech/Performance - Opti Eliminator kit - MSD has come up w/another tqhead /LTCC or whatever they're called, ignition system for Gen I SBC. Product Q&A View Now. 3L) V8 engines made between 1992 and 1997 were equipped with the Opti-Spark distributor. There is an alternitive to the opti. My car runs like crap when I try to take off it feels powerless. Buick Know How: LT1 Optispark (ABITS) Distributor Operation and Diagnostics - YouTube Apr 20, 2012 · I'll be checking on that next. Jul 8, 2009 · C4 Tech/Performance - Symptoms of a going Optispark? - Hey guys, quick question. Apr 9, 2015 · Buy OEG Parts New Distributor Compatible With 1995 1996 1997 Optispark LT1 Chevrolet Chevy Camaro Caprice Corvette Impala & Pontiac Firebird 5. Sep 18, 2011 · If you don't see the proper ac voltage the problem could be the optispark, the harness to the optispark, the PCM or any of the wiring in between. Does the LTCC or Delteq systems actually get rid of these problems? Just the opit and plugs alone make me want to do a complete LS1/2 conversion in my 95 (seriously), but the LT1 would be a much cheaper route. I know the purpose is to get the moisture out. This optical sensor and disc are what makes up the "opti" in "opti-spark". Where does this go on the opti spark? Also do I need to run another vacuum hose? Not familiar with the unit. Part Number: 110-59125. We love to support LT1/LT4 engines and their owners on both sides of the border and around the world. The vent kit entails a converted Opti with a vacuum line and a fresh air line to keep moisture and contaminants out of the Opti. LT1 and predecessors is bore center. THere's two parts to the opti. 7L Replacement for 1104032 KA-GM8381 DST109: Distributors - Amazon. Learn what an optispark is, how it works, why it fails and how to replace or upgrade it on LT1 engines. 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 MSD distributor cap and rotor. While changing opti, I suggest driving a plastic vacuum fitting into weep hole of water pump. Chad<HR></BLOCKQUOTE> There was actually two versions of the LT1 optispark depending on the model of car. Cruiser now, traded drive trains with my truck. Still in Wichita. How to properly install the optispark distributor on similar years of LT1 Camaro, Firebird, Trans Am, Impala, Roadmaster, or Corvette. You should be on the look for a trusted LT1 Optispark that has been through rigorous quality testing and control. Its all oily and geasy back there and all over the back of my old optispark Oct 18, 2023 · Buy A-Premium Ignition Distributor with Cap Rotor & Harness Compatible with Optispark LT1 Chevy Buick Cadillac & Pontiac Vehicles -V8 4. type 2 put in 95-97 f-body Jan 26, 2013 · here are some simple instructions on how to properly install an optispark the first time, without it being 90, 180, or even 720 degrees out of time this will be accomplished withoutthe factory reccommended ac delco infared opti-quantum timing reference light installer mechanism and special precision dowel alignment tools Jul 7, 2010 · C4 Tech/Performance - Optispark Replacement Seal - I just finished an Optispark replacement and a complete rebuild of ther cooling system, new radiator, heater core, WP, and hoses on my 1995 LT-1. Apr 9, 2016 · Accel LT1 Opti-Spark Distributors; Accel 59125 GM Opti-Spark II Distributor 1994-1997 GM V8 5. com Jan 7, 2011 · OK, I know this has been brought up before and I have read all the posts This is a '95 rebuilt (never ran) LT1 with new injectors, opti, coil, wires, sparkplugs, etc. 4. And i got a Delphi complete assy waiting to install. My 94 Z28 now has a 2002 OB2 PCM. com FREE DELIVERY possible on eligible purchases The story is nearly always the same in that they are modifying or building a LT1 setup and they no longer can count on the Optispark for the reliability they need. To do so you need an oscilloscope. The first row contains 360 evenly spaced notches, the second row has 8 notches of different sizes to indicate certain cylinder position. Aug 2, 2010 · The accell opti should be sealed, it was only the early Chevy ones that had the problem, they fixed it in later years. I have tested the injector signals with a noid light, tested the fuel pressure (45psi), tested spark at all plugs- all were good. Our optical sensor is built using components that are equal to or higher quality than the original Apr 9, 2015 · Buy OEG Parts New Distributor Compatible With 1994 1995 Optispark LT1 Chevrolet Chevy Camaro Caprice Corvette Impala & Pontiac Firebird 5. 7L, LT1 Oct 17, 2017 · take out the gen5 lt1 engine and install c4 based optispark lt1 engine (into the c7). com FREE DELIVERY possible on eligible purchases EFI 24x™ LT1/LT4. Apr 21, 2010 · You can make the LT1 \’92-\’94 Optispark setup more reliable than a 95- 96, even with the early distributor configuration. Grr. 7L Replacement for 1104032 KA-GM8381 DST109 4. com/optispark_conversion. I've seen a few pictures of it, but couldnt ever find a description on what parts were needed and how they did it. its your time and money, but i know if it was me and i was going to go that far i would just replace the Nov 26, 2009 · This is my first post and I apologize in advance if this is posted elsewhere, but here's my issue: Engine: 1997 LT1 in Camaro SS Edelbrock intake Eliminated Smog and EGR Computer Tuned Stock cam and bottom end Task: I am changing out my old optispark (it started leaking and it's stock) My new distributor came with no instructions. You MUST have both of these sensors in place to run the injectors in a sequential mode. Do heads/cam and bore to 383 to make up any lost HP/TQ. I messed with it for 30 minutes, watched some BS You-tubers that claimed to "Install the Optispark," but they d Contained inside the Opti-spark is an optical sensor and a timing disc which has two rows of notches. I'm surprised opti lasted as long as it did without one. '63 C10 LT1/T56. '06 GTO LS2/T56 Torrid Red 404cu in of fun. Blaming the optispark for failing is such a problem point for me. Got a new cap and rotor and rebuilding Performance Optispark distributor for 1995–1996 Corvette LT1 models. dont cut corners buying any other opti its either stock brand of MSD, benifit over stockt is its heavy duty, & for earlier models this has the vented upgrade to protect against harmful gases that build up inside which lead to failure. Some of the brands you can choose from include MSD, ACDelco, AIP Electronics, and King Auto Parts. Also I did a opti switch and plugs this weekend, now my car went from dying to just have a bad miss. 1 year, unlimited mileage warranty Purchase everything you need to complete the job and get a free water pump bearing seal installation tool! Buy 1992-96 Corvette Opti-Spark Distributor Components online at Zip. Do you think that my opti pigtail could be bad? Feb 4, 2015 · The best tool for diagnosing the opti is one of those $70 pc based oscilloscopes you can buy on ebay, amazon, etc. THere's an optical cam position sensor. → If you have a Camaro, Fi Oct 19, 2004 · 4th Gen Optispark and Water pump Replacement Written by Robert (call me "Bob") Forney and Charles O'Toole, but mostly by Bob Here are the symptoms of a faulty opti-spark: * Car suddenly dies and won't restart * Starts but immediately dies * Extended cranking to start * Rough idle * Sputtering * Backfiring * Trouble reaching higher rpm Apr 17, 2006 · Was the opti-spark used on all LT1 and LT4 and 5 engines? no so much as the year, but the engine. If you wanted to swap the optical sensor from a delco opti to the chandler opti you have, they would both have to be the type 1 . Inside the LTCC package, you have the LTCC module and the harness with eight leads, each with a Weatherpack connector and ground wire, a pigtail connector, and Sep 17, 2013 · I will bet you that if you take a perfectly running Lt1 and run it on an engine dyno with a factory opti setup then switch to a coil on plug setup you will not make 50hp gains. 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 Am, Camaro, or Corvette. New opti seal already May 11, 2008 · In order to understand the problems with the Opti-Spark Ignition, a brief description of the system is necessary. Many have original opti and water pump up to 100K miles. the-reeds. Jan 21, 2012 · 1972 Jaguar XJ LT1/700R '95 Firebird, 52 MM TB, ported 2 1/2" Ram Horns, dual Magnaflows, A. The opti-spark is basically a distributor which combines a low voltage high and low resolution portion to determine cam position location and a high voltage side which is basically a cap and rotor into a single compact package. Everything went well and it runs great. That could just be me though. Also had to do the water pump and fix an oil leak. Apr 9, 2015 · Buy OEG Parts New Distributor Compatible With 1992 1993 1994 Optispark LT1 Chevy Camaro Caprice Corvette Impala & Pontiac Firebird 5. The front-mounted distributor was driven off the timing chain using an optical trigger instead of the more common magnetic trigger used like on the GM HEI distributor. Replace your Opti-Spark with an all-in-one crank and cam signal sensing unit. I would GREATLY appreciate it if someone could help me out Fits 1992–1996 Chevrolet Corvette with LT1 or LT4 engine. The dowl type has a mark on drive that aligns with dowl. Yes, on a brand new knock-off optispark I saw the optical disk move up-and-down as I rotated it - when looking at it from a sideview. Pull the coil wire off the opti and see if it's sparking. Buy a $4 clear plastic fuel filter. Jul 9, 2007 · We all know the LT1 problems, optispark, wet opti, hard to change spark plugs, etc. Most guys convert over to the 95 and up Optipoops when theirs fail. Then, we fill it with a reliable new pick-up assembly, a trick timing adjustment mechanism and top it off with an all new MSD distributor cap! The pick-up is an advanced optical Replace your Opti-Spark with an all-in-one crank and cam signal sensing unit. However, it also ch Oct 6, 2006 · The LT1 C4 aficionados among you will quickly add OptiSpark to this list, and with good reason. $4. delete, K&N cold air kit, EGR delete, Delphi Opti, Meziere water pump and 4:09 positraction Sold 4/6/2013 but still here for mods - gone 7/2015 Jan 31, 2016 · C4 Tech/Performance - Opti-Spark Oscilloscope Pattern - Well originally I was going to post the images I captured from my UScope but they didn't save correctly so that is out. Oct 1, 2003 · LT1 owners have dealt with the Opti-Spark distributor for 11 years now, but there is still much confusion regarding the causes and symptoms of a failing unit. Feb 6, 2010 · -1996 T/A M6: 275. Mar 23, 2009 · I was running on my previous 94 Z28 A4, with a a1cardone reman opti and it worked great. And if having opti problems, don't forget to check opti wire harness for trouble also. This is a how to on the replacement of an optispark or distributor. My problems with the opti have been corrosion and not the cam sensor dying. If positioned correctly, Opti will slide on with ltttle effort. This is a new replacement for you old harness. As heat builds under the hood you first notice a minor misfire, then stalling occurs. 5 volts when its cranking over I think the optispark just went out one day. Dec 14, 2012 · OEG Parts New Distributor Compatible With 1992 1993 1994 Optispark LT1 Chevy Camaro Caprice Corvette Impala & Pontiac Firebird 5. It materialized on the lowest point of the forward cross member, Optispark FAQ. An external reluctor means there is no need to remove the front timing cover!! Swap your hub and your done. Measure the resistance of your coil. I really disagree. Spec Stage 2 Clutch, Pacesetters LT's/ORY, SLP LM1, Hurst Short Throw, MSD wires/opti/blaster, 52mm TB, TB Airfoil, 160 Thermo, Solomon Tune, Eibachs waiting to be installed, waiting on Bilsteins to come in Aug 25, 2010 · Excellent post. place. If it's an ODB2 (96) check codes, any misfires will be a bad opti. January 01, 2025 • Corvette parts • distributor upgrade • ignition system • LT1 • LT4 • optispark distributor • optispark failure • optispark problem • optispark troubleshooting • performance ignition • Petris optispark Oct 24, 2010 · My lt1 in my jeep just stopped running one day, no spark at all the coil is about 1 year old, i swapped my spare coil on and it did nothing. I am trying to get the vacuum hosees hooked up to the optispark. im debating on whether to buy a new oem ac delco optispark and install the 96 revised vacuum hose harness with some modifications or just buy the more expensive msd unit. Contrary to what many people believe, most spark errors actually occur at low speeds, especially starting, not at high rpm. Fits: 1995-96 Corvette LT1/LT4; 1995-97 Camaro Z28, SS; 1995-97 Pontiac Firebird Formula, Trans Am; 1994-96 Chevy Caprice/Impala SS; 1994-96 Buick Roadmaster May 4, 2020 · Forget the Opti Spark, contact Paul at TorqHead,com they have a complete 24X system that will plug and play the LT1 with a coil over plug system that does away with Opti Spark. Nov 11, 2022 · 1994 Chevy Camaro Z28 with a 5. Then, we fill it with a reliable new pick-up assembly, a trick timing adjustment mechanism and top it off with an all new MSD distributor cap! The pick-up is an advanced optical Anyone who has owned an LT1 powered GM vehicle has heard the dreaded word “opti-spark”. Nothing else mechanical is compatible. I brought the system last year and it works great. Nov 12, 2019 · By adding an EFI Connection 24x/1x Crank/Cam signal conversion, 8 ignition coils, and a few adapter harnesses, the Terminator X will have no trouble running your LT1 just as an LS1. It seems that the water pump is the weak link however. The MSD opti has had a bad few years. You shouldn't need use boltd to draw Opti into. Vented & non Lingenfelter Performance Engineering coil conversion modules will help eliminate some of the issues related to the OptiSpark distributor. In 2008, we pioneered one crank and cam signal solution for an engine to use the popular LS-series electronics. Having spent insane amounts of time with the LT1, I think the Optispark is one of the finer setups. The engine turns over slowly and the starter has a high pitch whine. Opti should easily slide in place. Mar 24, 2010 · I have an LT1 optispark that I'm wanting to replace with an older style distributor (sits on the back of the engine on top). May 30, 2024 · I finished installing the Petris Opti yesterday. But now, it just cranks and cranks and never starts. com FREE DELIVERY possible on eligible purchases Dec 27, 2014 · Has anyone tried this opti from AIP Electronics? Heres what they claim: This Distributor EXCEEDS OEM specification and comes 100% complete with everything needed including a new Optispark wiring harness Uses our own Mitsubishi Specification AIP Optical Encoder for the most accurate/dependable LT1 Distributor yet. Trying to decide what I will put back on there, either the MSD Cap/rotor, or the LTCC set up with no rotor, or pony up for the MSD Opti, not sure. I've heard alot about the optispark failing in the LT1's but I have failed to find somewhere on this site what the symptoms are. :rockon::rockon: I had stated once before that my front end of the car got flooded just above the opti. The only worth while opti is a reman GM, Delco, or Delphi. buy one and you'll be lucky if the car even starts. Same installation steps as replacing the original Opti-spark!! The crank sensor signal comes from an externally mounted 24x reluctor and hub combo. Summit Racing™ LT1 Optispark Distributors. Replace your 1992 Corvette’s original unventilated Optispark distributor with our premium ventilated upgrade — a trusted solution backed by over 30 years of testing, refinement, and real-world performance. Started it up no water leaks. So then if your car passes all the above tests, its the opti. Spark plugs foul easily when they get sludged up with oil. EFI Connection's 24x LT1 systems are designed to output the 24x crank and 1x cam signal of a GM Gen III LS-Series engine. REMOVING/INSTALLING NEW OPTI-SPARK II DISTRIBUTOR Jul 6, 2015 · the real difference in them is in the optical section. But I think i am going to install the MSD 6AL on my Z soon with the factory opti. its had a hard life in my Are you ready for an all-out performance distributor to replace GM's LT1 Optispark? MSD's precise housing, new pickup assembly and distributor cap, and trick timing adjustment mechanism all add up to this reliable Pro-Billet Distributor. My current 94 Z28 A4 only has 53K original on the car. Cubic Inches Horsepower SAE Net Mar 20, 2014 · Msd opti has a built in wire harness with no plug at opti end. 0:00 / 0:00 Falling back on the early '70s LT-1 name (minus the hyphen), the '92 LT1 was a Sep 20, 2011 · Sure, it has one good quality in the high-resolution optical pickup, but seriously, for anyone rodding on a budget or trying to get by with a simple bolt-on LT1 for fun, the Opti can be one of the Oct 31, 2008 · Optispark for 1992-1994 LT1's PN - 10457702 Cap and Rotor kit PN - 10457735 or 1995+ Distr. And for some reason, it sounds like its having trouble just cranking. Purchase everything you need to complete the job and get a free water pump bearing seal installation tool! This kit includes: Ventilated Optispark distributor equipped with a MITSUBISHI-GRADE OPTICAL SENSOR MODULE. ⚠️ Important: This harness is designed specifically for C4 Corvettes. Jan 29, 2024 · The Opti-Spark system first appeared in 1994 Corvette and Camaro LT1 EFI engines. If that were even remotely true the first thing ever LT1 owner would do would be to swap the ignition system. It still uses the optical module in the optispark, but no high voltage is passed through it. 9 wrhp/311rwtq (stock). But some people have said the MSD 6AL burns the opti up. They also desire superior diagnostics and tuning support so that they can control/tune the engine to get full performance. Apr 21, 2010 · http://www. htm The Optispark is the distributor that was installed on all late model LT1’s and LT4’s. 7L, LT1, 1992-94, Each See More Specifications | Check the Fit MSD Pro-Billet LT1 Distributors 8381 Benefits of the system are: extended opti life much stronger ignition at high RPM/boost built in adjustable rev limiter / two-step built in adjustable N2O / boost retard. This means that LS1 compatible ECUs can now be used on 24x equipped LT1 engines! Dec 4, 2002 · The Optispark on pre-95 LT-1 did not have a vent. With it you can see the low & high resolution pulses as they happen. This will be similar for all LT1 engines including the impala SS and the corvettes of the time. 1992-94 (C4) OptiSpark LT1 Ignition Distributor Assembly Combined Cancer/Birth Defect WARNING This product can expose you to chemicals including Cadmium which is known to the State of California to cause cancer on birth defects or other reproductive harm. Jan 8, 2002 · the first thing is a code 16 that is the low-res signal for the injections. Once I get over say 4000 RPM or a certain speed my car doesn't feel powerless But. Specializing in C4 Chevrolet Corvette Parts. or it may even start but after a little rpm it wont be able to read cause the optic wheel may be bent. At temp I had an oil leak. deppw yclilq bnbe chgdv bpgu qpgequ fgzzn iyryse emyodt mwne