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Mod | | | Forums66 Topics128,162 Posts1,057,042 Members48,463 | | 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!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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#38829 11/24/2004 10:52 PM | Joined: Feb 2000 Posts: 11 Apprentice | | Apprentice Joined: Feb 2000 Posts: 11 | I have a 1951 3/4 ton GMC that originally came with a 228 cid engine. Would this truck accomodate a 1951 270 cid GMC inline six engine? Would the motor mounts be the same? would it mate up with the same transmission? | | |
#38830 11/24/2004 11:09 PM | Joined: Oct 2003 Posts: 5,152 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Oct 2003 Posts: 5,152 | I believe the motors are externally identical. My '55 1st had a 248 from the factory, but now has a later 270. It looks like it grew there.
1955 1st GMC Suburban | 1954 GMC 250 trailer puller project | 1954 GMC 250 Hydra-Matic | 1954 Chevy 3100 . 1947 Chevy COE | and more...
It's true. I really don't do anything but browse the Internet looking for trouble... | | |
#38831 11/25/2004 2:57 AM | Joined: Aug 2000 Posts: 523 Member | | Member Joined: Aug 2000 Posts: 523 | GMC stuff is all same-o-same-o outside but the flywheel is different 228/248 don't interchange with 270/302
You may have to change the starter ring gear depending on which combo you use....but not rocket science....just look and measure carefully | | |
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