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Click on image for the lowdown. 
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| | | Forums66 Topics128,099 Posts1,056,508 Members48,448 | | 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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| | | | Joined: Sep 2001 Posts: 29,270 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,270 | If your engine has 15 head bolts it is a 216 or a low pressure 235. If you have an oil distributor on the driver's side of the block, you have a 216 or a low pressure 235. If you drop the pan and check a rod bearing, you can determine if it is a babbitted rod bearing or an insert rod bearing (this is the only way you can tell it a low pressure engine has been converted to insert rod bearings). Post the various casting codes and serial numbers and someone will tell you more about your engine. | | |
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