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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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#37301 05/22/2005 3:43 AM | Joined: Oct 2003 Posts: 5,152 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Oct 2003 Posts: 5,152 | Is there a serial number on the motor? Stamped on a machined pad near the distributor? If so, the first three numbers should be the motor size.
Aside from that, casting numbers are your best bet. On my 270 the numbers are below and behind the exhaust manifold. inliners.org has information to sort out what casting you have.
1955 1st GMC Suburban | 1954 GMC 250 trailer puller project | 1954 GMC 250 Hydra-Matic | 1954 Chevy 3100 . 1947 Chevy COE | and more...
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