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The question is. Why do my Optispark and the optispark displayed on the thread look different? I noticed that the shaft of the opti on the thread is different to the one I just got. The one on the thread is for a 92 Lt1 and my car has the lt4 engine (96). Please help, I am confused and I am gonna work on my car next friday, so I don't need ...Remove coolant pump by removing six bolts securing coolant pump to engine block. 10. Remove three crankshaft torsional damper bolts and damper (refer to Figure 2, page 6). ... The removed Opti-Spark Distributor must be returned (with a copy of the repair order enclosed) immediately after removal using the original shipping container via UPS. ...Contacts are deleted from Gmail by accessing the Contacts list in Gmail. The Contacts list can be found in the upper left-hand corner of the Inbox page by selecting the drop-down menu that says Google on it. Once in the Contacts lists, cont...Another improvement would be a waterproof AC Delco optispark with a self-sealing case and protected contacts. A last improvement would be a nipple attached to the weep hole of the water pump to allow for a small hose to be attached which would divert any weep hole coolant from possibly tracking it's way to the optispark.Hi Guys, Did a search on this but no luck as some ended with no solution or slightly different problem so any help will be GREATLY appreciated! The car will crank, but will not start. 1992 stock Corvette automatic. 1. There is fuel verified to the rail @ 43psi. 2. Spark verified to coil and plugs. Car will start and run great for a second with a shot of starting fluid.Project part out: have a project that has been cancelled after a few years and selling off parts from it -"1993-97" version Chevy LT1 350/ 383 (havent verified if a stroker yet) crate engine with one hour run time on it,("327" block casting #) it has a Delteq/ MSD opti-spark delete /conversion setup, ARP bolts, upgraded valvetrain, Arizona Speed & Marine 52mm TB, aftermarket accessory drive ...Making the 1x Cam Signal. To produce the 1x camshaft signal, it is imperative that the signal come directly from the cam. This means the 1x reluctor disc must be mounted on and rotate with the camshaft, Inside …Delete if not allowed… Anyone wanna make some cash by tearing this back down and adjusting the Optispark. I put it together wrong and it won’t start. My back won’t allow me to do it again. Inbox if...The Optispark has become a staple of the modern-day engine, providing reliable and efficient ignition for many different types of engines. The Optispark is an ignition system that utilizes a special type of distributor called an optispark. This device is designed to provide precise timing while optimizing engine power and efficiency. When installed correctly and properly maintained, an ...i'd like to share a diy guide i wrote with everyone 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 step 1: Put the thing ...95-97 LT1 Carbureted Conversion Front Vented Optispark Delete Plug w/ Timing Tab (Fits: 1996 Chevrolet Impala) $101.69. $12.99 shipping. ... ACCEL GM Opti-Spark II 94.5-97 8 Dist. P/N - 59125. $370.74. Only 3 left. Optispark Vented Wire Wiring Harness Distributor For GM Delphi AC Delco replace (Fits: 1996 Chevrolet Impala) ...The OptiSpark distributor itself that is used to as the basis of the ignition control. Vacuum Line Diagram and routing. Lt1 evap hose teztsite.test products lt1-lt4-optispark-distributor. Optispark is the distributor that was installed on all late model LT1s and LT4s. Having a proper ignition also.The optispark is fine provided you are using a quality nos part and add a vent to a non vented unit (92 thru 94) sure, the stock one on my 93 was bad at 26k with shrunk/cracked seals, rust (moisture intrustion). However, i replaced it with a new ac delco unit (about $600 back in 2002) and added a custom vent setup like the gen 2 units. No ...The Big Problem with Chevy's 5.7 LT1 V8. Go to any dragstrip in America on any given night, and you will see a lot of fourth-generation Camaros and Firebirds. A natural drag racer with their fairly light weight, rear wheel drive, strong transmissions, and simple suspension, the mid-'90s “F-body" cars also featured a stout 350-cubic-inch LT1 V8.They have later models that don't include drain holes and instead use vacuum lines to vent air through the opti. Went through an opti almost every other year thanks to living on the coast until I made the switch.Shop for the best Distributor for your vehicle, and you can place your order online and pick up for free at your local O'Reilly Auto Parts. C7 General Discussion - Anyone ever remove Gen5 LT1 and install late C4 optispark LT1 ? - Not a troll, ive been here almost 20 yrs. huge fan of the c4, as i have mechanical skills and know-how to solve all the gremlins issues others may have had with the car. that said, i would love to do a different kind of build -...What you need to know about GM Optispark sorry about the lab scope it's really hard to see looking for a square wave AC volts 2 to 4 ''ICM'' WHITE WIREIn order to gain access to it, you will first have to remove the fan, belts and water pump.. The 5.7L (VIN P and 5) engines utilize the Opti-Spark distributor ignition system, which consists of a distributor assembly, control circuitry and an external coil. In the Opti-Spark system, all ignition timing is controlled by the Engine Control Module (ECM) or Powertrain Control Module (PCM), based ...May 13, 2011 · This will ensure that you reattach the plug wires in the correct order and location. 21 Remove the plug running to the old Optispark unit. and remove all of the plug wires running to the top of the Optispark. Remove the three screws holding the Optispark to the timing cover with a 10 mm socket. Pull the Optispark off. 22 Install the new ... This time I caught it before there was any damage to the Opti Spark, I also installed a hose on the water pump this time to reroute any leaks away from the Opti. Reply Like 07-16-2013, 11:21 PM ... This conversion would involve removing the timing cover to remove the water pump gear drive. This results in having to "seal" a hole in the timing ...LT1 Vented Optispark and Non Vented Optispark. www.saccitycorvette.com. Says out of stock,but give em a call. Currently 93 Ruby Red 40th Anniversary Roadster//6-Spd. Previous 58,68,70,76,78.85.90.Just like the LS engines you will need to delete the VATS (Vehicle Anti-Theft) and remove the second O2 sensor information for emissions. This is relatively easy if you have HP Tuners or EFI Live. Some Dyno shops can . perform this, but if you don’t have anyone local consider standalone systems from either Speartech –3/99 1 9000-6000C CAUTION:READ THE FOLLOWING CAREFULLY: • Standard HI-6 units (6000-6420, 6000-6421, 6000-6422, and 6000-6423) are sealed for protection against occasional water drips. However, standard HI-6 units MUST NOTbe mounted in areas exposed to water splash or

Why do Optispark distributors fail? Sandwiching any distributor between the engine block and the water pump just begs for trouble. Over the years we have discovered that several original equipment Optispark failures typically occur due to the inherent high heat and poor ventilation; distributor shaft support bearing failure being one of the most common issues.The 94-95 LT1 do not use crank trigger but can bolt on 96-97 timing cover with crank trigger sensor, for that matter I think it bolts to all SB chevy engines. 1990 Chevy Suburban 5.7L Auto ECM 1227747 $42! 1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner! -= =-. 11-15-2011 #6. sandrock.Optispark Delete Super Direct Ignition System. Date published:2023-08-25 07:22:06 ...This engine featured a new distributor design called Optispark that was plagued with issues. If you own an LT1 car, here's what to watch for and what to do when that Opti fails. Source | Rich Niewiroski Jr. Optispark Replaced HEI. The original small-block Chevy (SBC) V8 was built for decades, spanning from the mid-1950s through the …The Optispark isn't a terrible design but it was placed poorly and it has poor aftermarket quality support. I think this is why people don't care for the optispark. Last ... (although in the F body they are probably a bit easier to remove than the Y body). The optical part of the distributor is an OK design but they didn't have to put it under ...

447 48K views 5 years ago Explained in 3 min or less how to remove the optispark distributor from an LT1 F-Body Camaro / Trans am / Firebird / Firehawk / Formula. Corvette, Impala ss and...We all know the LT1 problems, optispark, wet opti, hard to change spark plugs, etc. 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.Optispark replacement opinions. I'm new to the forum and fairly new to b-body ownership. I just have a base model '95 Caprice with the 4.3 with around 110k. The car was well maintained and overall in great shape but it undoubtedly has the leaking water pump that is slowly dripping down onto the distributor and plug wires.…

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. 12367600 - LT1/LT4 Front Cover / Plug - Used. Possible cause: Dec 8, 2010 · Appleseed wrote: Ah, sounds like you've found Optispark = de.