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Click on image for the lowdown. 
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| | | Forums66 Topics128,077 Posts1,056,013 Members48,433 | | 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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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: Jun 2005 Posts: 388 Shop Shark | | Shop Shark Joined: Jun 2005 Posts: 388 | f John is interested in exhaust manifolds and headers, this page from Tom Langdon's catalog might help. The ports on both the 235 style and the 260 style are rectangular, but the center two siamesed ports (for 2-3 and 4-5) are relatively wider on the 250 style. Carry a spare set manifold gaskets to the swap meets to tell for sure. Hoyt | | |
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