t56 swappers
Joined: Dec 1999
Posts: 3,544
Likes: 19
From: WI,USA
Car: 89 FORMULA 350, 91 Z28 Convertible
Engine: ls1, LB9
Transmission: t56, Auto
Axle/Gears: S60/ 3.73
yes, the only way I have heard about to get around this is if you have a 90-92 tpi 305/350 it is rumored you can burn a chip that will work
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Joined: Jan 2002
Posts: 311
Likes: 0
From: Central Texas
Car: 1992 Z28
Engine: 383 Miniram
Transmission: T56
Well I do have a 91 that had a 350 tpi but now is a minirammed 383. I have heard that you dont need it for later models but you do for earlier ones. I will be having a new chipped burned once everything is done, thanks for the help, Eric
Joined: Dec 1999
Posts: 3,544
Likes: 19
From: WI,USA
Car: 89 FORMULA 350, 91 Z28 Convertible
Engine: ls1, LB9
Transmission: t56, Auto
Axle/Gears: S60/ 3.73
I can't remember what post is was in but, it bassically tells you what to change as far as the speedo signal part of the chip. I think it takes some trial and error so you may need to burn the chips your self
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