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Old 10-22-2007, 03:18 PM
89sub 89sub is offline
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Re: heavy 2500 specs

One thing I have noticed with Chevys/GMC from, oh, 1981, is all smallblock 3/4 and one-tons have the smaller 14-bolt from the factory. Not to say you couldn't order or change it out (it has the 9 1/2 " ring gear and is a semi-floater vs. the full-floater with 10 1/2" ring gear) I have two of these rear axles and wish I had the full-floater! Check your GVW on the door post--should say something like "8600 GVW" (3/4 ton)
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