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Click on image for the lowdown. 
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2 members (BC59, Bill Hanlon),
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Global Mod,
Mod | | | Forums66 Topics128,088 Posts1,056,109 Members48,434 | | 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!
| | THANKS!
For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down with Ads! Again, thanks! | | | | Joined: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 | John, There are 2 or 3 easy ways to ID/distinguish a 235/261 engine. The "Captain bars can be confusing on 1953/54 235 engines compared to 54 and later 261 engines. If the Engine Serial Number has not been changed, that is the best code: Find and post the Engine Serial Number that is pressed into a "ledge" in the block to the rear of the distributor (shown at the link below). Also, find and post the block and head casting codes and date casting codes for both. | | |
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