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HELP, asap please - 96 LT-1 Rear End Swap - Speedo Cal ??

Idaho Slim

Well-known member
Joined
Jul 2, 2003
Messages
184
Location
Archer, Idaho
Corvette
1996 LT1- Blk/Blk. 1996 LT4 - White/Blk
Made the plunge, installed an HD D36 w/3.73 gearing. ALso, trans rebuild, 2000 stall converter, shift kit etc. Problem now is, We need to re-calibrate the PCM to 3.73 as the shift points are way off and "searching". We knew this and thought the local Computer tune company can flash the pcm, they can, but at a risk. 50% of the LT-1's fry the p cm now with their tune provider. Not willing yet to risk it and buy a spare.

Anyone have options or a company/module that I can safely change my pcm to 3.73 gearing ?

Thought I saw something about this in the C4 page, have run a search on this C4 page, spent hours but cannot find anything.

Need help ASAP as our race season has started !!!

Thanx !!!!:W
 

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