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Click on image for the lowdown. 
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| | Forums66 Topics128,051 Posts1,055,764 Members48,426 | | 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: Jun 2005 Posts: 388 Shop Shark | | Shop Shark Joined: Jun 2005 Posts: 388 | Here is a link to the Master Parts Manual that shows the diameters of the alignment rings for the intake ports. There is also a difference in the flange that connects to the exhaust manifold. See group 3.272 in the link. This is more than just a 216 vs. 235 difference. The Chevs of the 40's catalogs show some of the differences. Hoyt | | |
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