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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!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | | Joined: Dec 2004 Posts: 1,897 Shop Shark | | Shop Shark Joined: Dec 2004 Posts: 1,897 | Mule
The 55-59 chevy crossmembers are all the same. 55-57 gmc and 58-9 gmc xmembers are a little different. For the cleanest instalation... ie installing a 235 in there... it is best to use the crossmember as stated.
Why would you want to put an inferior engine back in there? The GMCs had much better engines then the chevies.
Sorry... got side tracked. All the rivot holes will line up for the different crossmembers. It isn't an ez job to just swap them out. The frame has a tendency to spread a little without the crossmember in it. | | |
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