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Click on image for the lowdown. 
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| | | Forums66 Topics128,034 Posts1,055,548 Members48,425 | | 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: Oct 2006 Posts: 9,671 'Bolter | | 'Bolter Joined: Oct 2006 Posts: 9,671 | In between the 3835590 casting and the 3754644 I believe there was a casting number 3836922 in 1956-58. The 3835590 manifold had the horn mount flange on it up till '56 even though the Klaxon horn was discontinued and the sea shell horn was used on the later vehicles. Here are some examples of the intake mainifolds at the bottom of the page: http://www.pbase.com/dennygraham/fuel__exhaust&page=all Denny Graham Sandwich, IL
Denny G
Sandwich, IL
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