Getting 3.73
#3
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Join Date: Dec 2004
Location: Fairfield,CA
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I just had 3.73 installed in my 99 Z28 m6 it was not a big gain but you can feel the difference. These gears make it easier to launch and the car does not bog as much as with the 3.42 gears. The only reason I changed out to 3.73 is because I blew out the rear end. If this never happened I don’t think I would be swapping out gears any time soon. I paid more than $500 because I need a new posi unit. With out the posi unit it would have been $750 to do a gear swap that’s including ALL parts and labor.
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#8
i went from 4.11's to 3.73, car feels a lil slower, but not that bad, at least im not shifting to 4th at 80 something. I paid 400 total for parts and labor. Sounds kinda steep to me
#11
Originally Posted by imnotplutonium
what will be the big diff. in 2.73 and 3.73's? seat of pants or et, or anything else?
#13
Originally Posted by 1BaDaSS
How much time can I expect to shave off my et with my new 3.73's? Around .2 or so?