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Old 08-30-2007, 05:37 AM   #1
krue
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Join Date: Mar 2003
Location: South Mississippi
Posts: 36,450
Installing rear from leaf truck to coil truck

What do I need to put a rear end from a late 70's (12 bolt) under my 70 GMC with coils? I'm putting a 200-4R in my truck and I'm currently running the stock 3.07 rear and I think I'll wind up with the rpm's too low on the hiway, plus I want a little more bottom end. I've got a 3.42 rear end given to me (thanks Gman!) that I think will be perfect but it's set up for leaf springs.
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Last edited by krue; 08-30-2007 at 05:39 AM.
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