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| | | Forums66 Topics128,030 Posts1,055,430 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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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: Dec 2017 Posts: 1,652 'Bolter | | 'Bolter Joined: Dec 2017 Posts: 1,652 | Any chance you have a carb number? From a united motors service bulletin 9C 305 (10/15/1954) the standard main jet for 53-55 Chevy truck Rochester model b is 7002958 (.058) and the lean jet is 7002957 (.057). For 54-56 car motors with Bc carb, the main jet for 54 was .058. For 55 it was .057. For 56 it went back to .058.
Mike
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