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Mod | | | Forums66 Topics128,113 Posts1,056,619 Members48,450 | | 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: Oct 2005 Posts: 34 Junior Member | | Junior Member Joined: Oct 2005 Posts: 34 | Have '49 1 ton with original rear axle (maybe called an HO72?) I Plan to install a SB Chevy, use original SM420, change out center section, upgrade all brakes.
Is there a way to upgrade the rear brakes, change them over to bendix?
Frank
1949 Chevy 3800
1929 Chevy International
| | | | | Joined: Feb 2003 Posts: 452 Shop Shark | | Shop Shark Joined: Feb 2003 Posts: 452 | Check if the post-51(?) 3/4 and 1T axles have the same bolt pattern for the backing plates. If so, the brakes can be transplanted to your axle. Otherwise, get a post 51 3/4 or 1T axle. The 3/4 will have a 4.57 ratio, and might make for better highway driving. There are many posts and threads here about changing ratios on these trucks.
Good luck.
Current fleet (subject to change w/o notice) \'49 GMC 3/4-Ton , 60 Austin Healey Frog-eye Sprite (some assembly required), 2011 Dodge Avenger, 2015 Jeep Cherokee. No, they don't all run. My other ride is a (B737)no, (B767)no, A320.... Update... was Embraer E190, now Boeing B787. Knowledge is a wonderful thing, but ignorance means you don't know you can't do something.
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