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Click on image for the lowdown. 
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| | | Forums66 Topics128,043 Posts1,055,605 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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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: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 | There were different styles of road-draft tubes used on 235 car & truck engines. It should look like the black tube-assembly under the #2 plug wire Some fools plugged the hole in the block; and, it is common for the road-draft tube to get plugged with sludge. | | |
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