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how to identify rearend

This is a discussion on how to identify rearend within the Drivetrain forums, part of the LSx Technical Help Section category; i just put a 350 in my thirdgen camaro and my 2.73 gears are not going to cut it ive ...

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    how to identify rearend

    i just put a 350 in my thirdgen camaro and my 2.73 gears are not going to cut it ive got some 3.42 gears but im looking for a carrier and i dont want to spend a ton of money on it so im going to go to the JY and look for an eaton style from a 4th gen any clues as to what #'s to look for? and how do i tell the gear ratio when i take off the cover? also how do i tell if it is an eaton style or the auburn style b/c i hear 4th gens come with both.

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    Senior Member MadSeason's Avatar
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    Quote Originally Posted by 88irocZ View Post
    i just put a 350 in my thirdgen camaro and my 2.73 gears are not going to cut it ive got some 3.42 gears but im looking for a carrier and i dont want to spend a ton of money on it so im going to go to the JY and look for an eaton style from a 4th gen any clues as to what #'s to look for? and how do i tell the gear ratio when i take off the cover? also how do i tell if it is an eaton style or the auburn style b/c i hear 4th gens come with both.
    Ring Gear Teeth Count / Pinion Gear Teeth = Gear Ratio.... 4th gens either came with the stock torsen or auburn. Both work just as well as the other

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    Junior Member JROBINSON1016's Avatar
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    just ask what your looking for ,the jy will know what they have,most know what the codes are.just in case( gu6 ) is 3:42 ratio,(g80) is positraction.most important of all(i ve said this many times)is to make sure of location of the abs sensors,it doesn't do any good to buy a rear end that you cant use even if its the ratio you want.some have 1 abs sensor on top of the axle housing(pumpkin),some have 2,1 on each wheel backing plate.you cant make one work for the other,simply because one is a 3 channel abs system,the other is a 4 channel system.although you can take the backing plates off of the 4 channel axle & put on the 3 channel axle to make it work.make sure what you are getting before you buy,good luck.

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