What kinda of rear end do I have??
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Junior Member
Joined: Apr 2002
Posts: 65
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From: Atascadero, Cali
What kinda of rear end do I have??
I know its either a 2.73 or 3.42. I can only lay one-leggers so its not a POSI unless its just burned out. Can you only have 3.42's with POSI? Not that I know what it feels like, but it doesn't feel like a 2.73. i ran my codes but it just said either 2.73 or 3.42 not specifically which. Thanks
I love celebrity jeopardy,. 
Supreme Member
Joined: Jan 2001
Posts: 7,164
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From: Someone owes me 10,000 posts
Car: 99 Formula
Engine: LS1
Transmission: T56
Axle/Gears: 342
An easy way to check, do 70 mph in D, and see what the tach reads. 3420 rpms= 3:42s and so on. May not be entirely accurate, but it will show a difference between 2:73s and 3:42s.
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