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Old 06-21-2010, 01:54 PM   #6
Greg63
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Join Date: Oct 2007
Location: Newmarket, Ontario, Canada
Posts: 1,066
Re: Rear axle (not rear end) swap - 6 lug to 5 lug

Quote:
Originally Posted by raycow View Post
I know you said your replacement rear was a bolt-in. Please look at where the panhard bar attaches to the axle housng. Does it attach to a bracket welded onto the axle tube, or does it attach to a lug that is part of the center casting? The first is stock for 63-64 and the second is the 65-up design.

The reason this is important is that the shaft splines also changed in 65, from 17 to 30 splines. AFAIK, the aftermarket shafts are not available with 17 splines. You can use the 30 spline shafts, but those require that you replace the differential side gears. This is not at all difficult to do, but just be aware that you must order the gears if you have the 17 spline shafts in there now.

Ray
The original '63 rear end had a bracket welded to it for the panhard bar. The one that I put in many years ago has the panhard attatched to the center section.
Greg.
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1963 Chevrolet 1/2 ton
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