C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

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Old Jun 30, 2018 | 11:31 AM
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What are all the modules needed for use on the C4 corvettes both obdI and obd II? Looking for one on Ebay but want to make sure I get the right modules.
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Old Jul 1, 2018 | 06:06 AM
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Originally Posted by scotth48
What are all the modules needed for use on the C4 corvettes both obdI and obd II? Looking for one on Ebay but want to make sure I get the right modules.
when you say "modules" i'm assuming ECM, so if that is the case, forum member "RRT vette" posted this about 10-12 years ago. since it doesn't list the 96 model year, i'm assuming this listing is OBD-I only. i'm sure there's additional info out there. I suggest "search and google" --

5.7 V8 CFI ("Y" body).........1226026 (84 vette)

5.7 V8 TPI “8” L98 (“Y” body)......1226870 (85 vette)

5.7 V8 TPI “8” L98 (“Y” body)......1227165 (86-89 vette)

5.7 V8 TPI “8” L98 (“Y” body)......1227727 (90-91 vette)

5.7 V8 TPI “P” LT1.......16159278 (92-93 vette)

5.7 V8 TPI “P” LT1.......16188051 (94-95 vette)

5.7 DOHC V8 SFI “J” LT5 (ZR1)......1228331 (90-91 ZR1)

5.7 DOHC V8 SFI “J” LT5 (ZR1)......16163993 (92-95 ZR1)

5.7 V8 TPI L98 ("F" body) Camero.......1227730 (unsure of years)

I usually don't have issues with fleabay, but unless you know the vendor, i'd steer clear of just anyone selling a used ECM on-line. if I was replacing an ECM, i'd stick with a reputable parts supplier. I bought an AC Delco rebuilt assembly for my 85 from rockauto. other than swapping out a couple IC's, it was plug and play. there was a core charge, but I sent my old unit back and they refunded the core charge. no issues. BTW, you need to post the year of your car. I know the first part of your question was "general info," but the second part was year specific.

Last edited by Joe C; Jul 1, 2018 at 06:11 AM.
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Old Jul 1, 2018 | 07:25 AM
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Not looking for a ecm, looking for the needed modules/cartridges that go into a Tech1/1a for the Corvette 92-96. I know there is a body one, abs brakes but not the specific numbers of each of them. I think there were a couple that were specific to the Corvette and maybe harder to find if not in a whole set.

Last edited by scotth48; Jul 1, 2018 at 07:26 AM. Reason: spelling
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Old Jul 1, 2018 | 07:45 AM
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Originally Posted by scotth48
Not looking for a ecm, looking for the needed modules/cartridges that go into a Tech1/1a for the Corvette 92-96. I know there is a body one, abs brakes but not the specific numbers of each of them. I think there were a couple that were specific to the Corvette and maybe harder to find if not in a whole set.
sorry - misunderstood your post.

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Old Jul 1, 2018 | 09:00 AM
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Call your local Snap On dealer.
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Old Jul 1, 2018 | 11:18 AM
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Originally Posted by scotth48
What are all the modules needed for use on the C4 corvettes both obdI and obd II? Looking for one on Ebay but want to make sure I get the right modules.
I have mine listed on E-Bay for $595.00. See pics - ALL parts/modules ever made for the Tech 1 included. greg
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