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| | | Forums66 Topics128,186 Posts1,057,209 Members48,465 | | Most Online14,466 Apr 26th, 2026 | | AD Chevy Trucks Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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For helping keep this great
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on the Internet for over 30 years! and not clogged down with Ads! Again, thanks! | | | | Joined: Aug 2006 Posts: 29 New Guy | | New Guy Joined: Aug 2006 Posts: 29 | Can anyone tell me what year(s) rear axel would work to switch my 63 from a six bolt to a 5 bolt patten? I couldn't find any info. with a search.
Thanks, Rick | | | | | Joined: May 2006 Posts: 8,351 'Bolter | | 'Bolter Joined: May 2006 Posts: 8,351 | If you swap out the side gears in the diff to the later 30 spline, you can use the '71-'76 axles. They will need shortened a bit due to the width difference, and regrooved for the C locks. I don't recall the exact dimension, perhaps 1/2" per axle? Then use the drums from the 5 lug axle with your existing brake assebley.
Bill Burmeister | | | | | Joined: Aug 2006 Posts: 29 New Guy | | New Guy Joined: Aug 2006 Posts: 29 | I do have a pair of 76 axels that I pulled out today and found them to be the approx. 1/2 inch to long you stated. I didn't think about making them shorter, may have to look into it. I was hoping to find an easier way, but will consider. Thanks, Rick | | | | | Joined: May 2006 Posts: 8,351 'Bolter | | 'Bolter Joined: May 2006 Posts: 8,351 | Any machine shop should be able to shorten/regroove them for you. Actually, swaping the axles is easier, as you won't even have to rmove the old housing from the truck. It's maybe a 20-30 minuit job to swap the gears and axle shafts. Throw in some new seals and a gasket, some gear lube and you're on your way.
Bill Burmeister | | |
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