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Old 07-12-2005, 07:35 PM   #1
supermanox
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Join Date: Jun 2003
Location: Asheville, NC
Posts: 36
Switching Rear-Ends

I have a question. I have a 72 GMC and a 72 Chevy. The GMC has a 3:08 gear and the Chevy has a 3:73. The Chevy has a full cam and is really hitting a lick.
They both have 350 turbo's but the GMC has one hell of a shift kit in it. I'm thinking of switching the entire rear-ends, putting the 3:73 in the GMC and the 3:08 in the Chevy. Will the performance or mileage be significantly altered in either truck by this switch? Thanks for any help you guys can give me.
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-Mike Cooper
Asheville NC
1972 GMC Sierra Grande (Stock)
1972 Chevy (Not so much stock)
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