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Mod | | | Forums66 Topics128,012 Posts1,055,311 Members48,419 | | 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: Dec 2011 Posts: 36 Wrench Fetcher | | Wrench Fetcher Joined: Dec 2011 Posts: 36 | Hi, I have a 47 AD pickup I am planning on converting to Bendix brakes on. I read the tech tip on this and I don't have any donor parts so I figured I would just have to buy all the Bendix components (and backing plates). Classic Parts of America is selling a 51 1/2 ton brake kit with shoes, springs and the works, but it comes with a 51 master cylinder. I was wondering if the 51 master cylinder will bolt into the same place as the 47 or if there are any differences? Thanks! | | | | | Joined: Feb 2001 Posts: 1,096 'Bolter | | 'Bolter Joined: Feb 2001 Posts: 1,096 | I am using the original master cyl on my '40 with the '54 bendix brakes. All's well  | | | | | Joined: Dec 2005 Posts: 2,557 'Bolter | | 'Bolter Joined: Dec 2005 Posts: 2,557 | I think the difference is inside the master cylinder itself.The piston bore on a 1951 is 1 1/8". I'm sure others will chime in soon.
Tim
1951 3100 Chevrolet1951 Chevrolet Suburban CarryallImage"A house is built with boards and beams. A home is built with love and dreams." "Look deep before you leap !!!" / "Everything is Everything" "If I say a mouse can pull a house, hitch him up"
| | | | | Joined: Nov 2005 Posts: 238 Shop Shark | | Shop Shark Joined: Nov 2005 Posts: 238 | I think the difference is inside the master cylinder itself.The piston bore on a 1951 is 1 1/8". I'm sure others will chime in soon.
Tim that's right, I fitted a new '51 master cylinder to my 1950 truck which also had the Huck brakes originally. It Bolts straight in.
Last edited by Stuart_Giles; 02/09/2012 2:31 PM.
| | | | | Joined: Dec 2011 Posts: 36 Wrench Fetcher | | Wrench Fetcher Joined: Dec 2011 Posts: 36 | Ok thanks, good to know it will work! | | |
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