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Click on image for the lowdown. 
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| | | Forums66 Topics128,036 Posts1,055,452 Members48,422 | | 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 2008 Posts: 872 Shop Shark | | Shop Shark Joined: Sep 2008 Posts: 872 | Any carb can have icing issues. But there is a very little surface area where direct intake/exhaust is made... then add to that an insulating gasket and most heat will be from radiation, not a very effective way to heat the base. Plus carb ice occurs in the venturi, not the intake.
My two 43's (GMC and Chevvy) have a governor, on top of a 1/2inch insulator, which sits on the intake. Not a lot of heat going to get that far up.
A lot of 40's trucks have that setup. | | |
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