verrry interesting discussion. I've got a 327 with m21 4 speed in my '49 1/2 ton with power brake master cylinder and booster under the floor. Got the braket kit from R.B's and it works great. The only interferance is where the speedo cable hooks to the trans. The cable is too close to the booster and rubs on it. An adapter cured that problem.
1949 chev 3100 3 window. 350hp/327/m21 4 spd, 12 bolt rear, power brakes, 3" dropped axle from Sid's. Disc brakes next.
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