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 rear end 
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Joined: Thu Apr 20, 2006 9:33 pm
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Post rear end
So i was looking at my rear end today and i wanted to figure it out.
first off who was the manufacturer for 3rd gen rear ends?


i couldnt find my 3 digit code plastered on the rear end due to all the gunk stuck on it.

But heres what my RPO codes say
GT4: 3.73 gears
G92: axle rear ratio, performance

what does performance axle even mean? besides i cant find anywhere online where it says this was a combo used with an LG4, but RPO stickers dont lie (i found it used in 84 though)

Thanks

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Wed Jan 25, 2012 8:58 pm
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Joined: Sat Mar 19, 2005 8:15 am
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Location: Mississauga
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Post Re: rear end
GM corporate 7.5(7.6) 10 bolt 3.73,3.42,3.23,3.08,2.73 - c-clip
other thirdgen read diff manufacturer

Borg-Warner 9 bolt 7.75 9 bolt 3.70,3.45,3.27,2.77 floating..stronger

performance axle RATIO..3.23/3.27 is the highest standard axle for auto and 3.42/3.45 is the highest standard for manual cars. The difference in numbers depend if you have the corporate 10 bolt or aussie 9 bolt


Wed Jan 25, 2012 10:22 pm
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Joined: Tue Mar 22, 2005 8:17 pm
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Location: St Catharines, ON
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Post Re: rear end
L69 cars got 3.73s

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Wed Jan 25, 2012 10:54 pm
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Post Re: rear end
L69 is an option not standard equipment. 1LE, B2C cars got that too


Thu Jan 26, 2012 2:22 pm
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