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| | | Forums66 Topics128,138 Posts1,056,751 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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| | | | Joined: Jul 2006 Posts: 187 Wrench Fetcher | | Wrench Fetcher Joined: Jul 2006 Posts: 187 | Ok, I just got a 1951 GMC 640 5-ton truck running, what does the Bendix front brake knob do? Is this for brake bias? Under what circumstances would you change it? I've never had air brakes before,not even sure they are factory. This truck has been heavily modified in the past. It all works,but is there anything to look out for? Thanks guys.
'36 Tall cab Chevy 1.5 ton, '36 Low cab Chevy 1.5 ton, '53 GMC 2 ton, '51 GMC 640 5 ton, '47 Dodge 2 ton, '42 GMC CCKW 353 6X6.
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