Brake Pedal / Master Cyl Bolt


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By stlroken - 12 Years Ago
The bolt that attaches the master cylinder plunger to the brake pedal have to be a "hardened" bolt or will any bolt that fits work ? It a '56 automatic and when adding new master cylinder and brake booster I somehow misplaced or lost the origianl bolt. Does it need to have a sleeve on the bolt ? thank You

Jim
By oldcarmark - 12 Years Ago
If you are changing the pushrod you will need a new gr8 bolt.The original is an eccentric type bolt and wont work with the new pushrod.
By lyonroad - 12 Years Ago
If its the same as the 55 Ford the threaded portion of the bolt is 3/8". The eccentric shoulder is 9/16" I believe. I had to make one. I made a sleeve by drilling a piece of heavy walled 5/8 tubing to 3/8 ID and turned the outside down to 9/16. Its no longer excentric so I use shims to move the MC in and out a sixteenth or so.
By paul2748 - 12 Years Ago
If you want a bolt like the original (an eccentric) the TBird suppliers have one which I assume to be the same as a sedan. The catalog does not say its an eccentric, but by the price they are asking for it ($20.00) I assume it is. They can tell you if its eccentric or not. Part # 2462 at CASCO.

You might want to check with Carpenter and some of the other suppliers as they may have the original type bolt.