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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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| | | | Joined: Sep 2003 Posts: 72 Wrench Fetcher | | Wrench Fetcher Joined: Sep 2003 Posts: 72 | Hi Guys,
I am slowing getting my 49 GMC 1/2 ton back together. I put on my front 5 bolt disc brake conversion kit and it looks great. It's a 4 1/2" bolt pattern. Problem is the rear end I have in is from a 77 GMC and it is a 4 3/4" bolt pattern. I was wondering if it is possible to change the axles to a 4 1/2" bolt pattern? If so, what donor do I look for? Or should I go new axles? thanks guys.
kskt4 | | | | | Joined: Aug 2001 Posts: 44 New Guy | | New Guy Joined: Aug 2001 Posts: 44 | Why not re-drill to the new size if axles and components are OK. Most welding/machine shops can do this for about the same price as getting another set of axles or less.
41 Chev 2dr coupe
51 3100 w/a 261
11 Camaro RS ragtop
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