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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: Mar 2003 Posts: 5 Member | | Member Joined: Mar 2003 Posts: 5 | I just got a '55 GMC with the orignal 248 mated to a hydramatic tranny...the 248 and is shot, and I want to swap in a complete inline 6...will a Chevy 235 swap without major problems? | | | | | Joined: Jan 2000 Posts: 206 Member | | Member Joined: Jan 2000 Posts: 206 | The 235 is 1.5" shorter than the GMC so your front motor mount will have to be relocated. Whether the fan will draw enough air through the radiator in it's original position could be a problem. Also, GMC Hydramatics were factory fit to the blocks - you may have problems connecting to a 235. A 270 would be a much preferable replacement engine. | | | | | Joined: Jun 2000 Posts: 2,773 'Bolter | | 'Bolter Joined: Jun 2000 Posts: 2,773 | Find a 270 or 302, you'll be far happier with a GMC truck engine than putting in a car engine out of a Chevy. You'll find the GMC is a far superior engine, even if it does cost a few $$$s more.
Fred
52 3600
69 C-10
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