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2:73s to 3:73s posi change??

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Old 02-13-2004, 08:30 AM
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Question 2:73s to 3:73s posi change??

I have a 1998 Z28 with 2:73s in the rear end (GU2 code) and I was wondering what all has to be changed to let me install 3:73s? Posi carrier??
Old 02-13-2004, 08:43 AM
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To do it right, and mine was done right:
GM 3.42 Gears (NEW)
SLP ZEXEL take off pumpkin
(no exciter ring needed i have ASR)
ratech gear install kit
$$$$ to have a mechanic do it. It's a very expensive process last time i checked. I had all my labour done at once for a mad discount. And i got the Panhard and LCA's thrown in for free.

Do not waste your money on a TA GIRDLE unless you need to.
Do waste your money on some nitto's.

I'd definitely strongly rethink 3.73's because 3.42's are quite high revving on the freeway. i can imagine 2500rpm's cruise with 3.73's or close to it , locked up on the freeway. ouch mpg.

The good ole days of 350 miles to a tank will be no more.

Then again with my driving scenario i'm lucky to get 120 miles to a 14 gallon refill. damn converter's




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