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

Question about upgrading rearend???

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Old 06-25-2004, 10:44 PM
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shinshya
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Default Question about upgrading rearend???

Just replaced my stock rearend (2:56 ratio) with a (3:55 ratio) now when driving on highway my upshaft light comes on it never did that before, do I need to worry about it. I'm thinking I might need to change the stock chip in my computer. What do you guys think?? Thanks for any help..
Old 06-25-2004, 10:48 PM
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Corvette Kid
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Default Re: Question about upgrading rearend??? (shinshya)

I'd just pull the bulb out of the dash. I don't need no steenkin' light!
Old 06-25-2004, 11:13 PM
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POLOVETTE 94
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Default Re: Question about upgrading rearend??? (shinshya)

What year is your car? On the later models, you can reprogram the computer for rear gear changes. On the earlier (93 and older, I believe) you can put a different speedo sender gear in the trans (if you haven't already done this).

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