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3;73

This is a discussion on 3;73 within the Drivetrain forums, part of the LSx Technical Help Section category; Originally Posted by KC&97TA Your RPM's will be fine they're dirrectly off the crank shaft to the engine, it's the ...

  1. #21
    Exalted Cyclops 67CamaroRSSS's Avatar
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    2002 Z28 A4 NBM
    Sadly now demodded :(

    Quote Originally Posted by KC&97TA View Post
    Your RPM's will be fine they're dirrectly off the crank shaft to the engine, it's the spedometer and odometer that wil be effected, an after market programer is a simple fix for a few hundred and you can mess with other things as well at your leasure. I'm useing the Garmin GPS as a heads up till I have mine fixed.

    I just switched from 3.23 to 3.75's with an A4, I have 80 miles on it and it shifts fine for normal driveing. I'm haveing a local guy do HP tuner, to adjust the gears, delete the rear O2 and EGR... $150 first time, minor work done for free following, $50 an hour to mess with other things.

    yes... 3.75 not a type'O
    3.75? I've heard of 3.70 (10/37). How many teeth on the pinion and ring gears?

  2. #22
    King 0f n00bz shady milkman's Avatar
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    blacker than wesleysnipes
    98' trans am

    Quote Originally Posted by cutlass View Post
    3.75?? Really?
    Quote Originally Posted by butch2000 View Post
    3:75 , that's a new one on me to ,
    Quote Originally Posted by 67camarorsss View Post
    3.75? I've heard of 3.70 (10/37). How many teeth on the pinion and ring gears?
    12/45 ........... still a weird gear...i havent herd of that being used a lot
    Last edited by shady milkman; 04-08-2010 at 01:05 PM.

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