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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: Jan 2000 Posts: 2,074 'Bolter | | 'Bolter Joined: Jan 2000 Posts: 2,074 | I've seen this done and while not that difficult a swap, the real easy bolt-in for this is a 261 Chevy. The GMC will bolt right up to the 216 or 235 bellhousing this is the easy part.
Another real problem is finding a good GMC without a cracked head or block.
First what every car or truck the longer GMC is going into will need more room up front so see if you can re-mount that radiator forward. Also you can eliminate the GMCs fan and put an electric pusher in front of the radiator, saving a couple inches. Anything can be done if you want it bad enough to solve the few problems. | | |
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