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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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| | | | Joined: Mar 2015 Posts: 26 Wrench Fetcher | | Wrench Fetcher Joined: Mar 2015 Posts: 26 | Is there nany way to identify if a stock 6cyl is a 216.5 or 235?mine has stamped on it on the top rim of the block 383716 GM6. I can not find any other numbers.
RB55 | | | | | Joined: Sep 2001 Posts: 29,270 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,270 | Here are locations of various 216/235 casting codes. head casting code head date casting code block casting code block date casting code Engine Serial Number All those codes should allow you/us to ID the size and date. | | | | | Joined: Dec 2001 Posts: 14,522 Moderator: Welcome Centre, Southern Bolters, Legion Hall | | Moderator: Welcome Centre, Southern Bolters, Legion Hall Joined: Dec 2001 Posts: 14,522 | A quick easy way is to look at the engine side covers to distinguish 216 or 235. | | | | | Joined: Sep 2001 Posts: 29,270 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,270 | . . a stock 6cyl is a 216.5 or 235 . . You have a 3100 1953, the only engine from GM that year on a 3100 was a 216.5 | | |
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