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Old 03-19-2007, 06:15 PM   #1
krue
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Join Date: Mar 2003
Location: South Mississippi
Posts: 36,448
Rear end question

My friend has a 86 swb GMC 1/2ton with 2.73 gears, he also has a posi rear out of an 84 Trans Am. Are the rearends the same, can he swap just the gears? Inquiring minds want to know.
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