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Click on image for the lowdown. 
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| | | Forums66 Topics128,147 Posts1,056,806 Members48,454 | | 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: Mar 2010 Posts: 10,298 Renaissance Man | | Renaissance Man Joined: Mar 2010 Posts: 10,298 | There are countless old trucks still on the road with mechanical pumps which do not suffer from “vapor lock”.
The ones which won’t pump likely have other issues upstream of the pump. A partial or intermittent fuel blockage in the tank will mimic a bad fuel pump
1952 5-window - return to "as built" condition | 1950 3100 with a 235 and a T-5 transmission
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