Holy Shazbot!!! I just finished installing that 81 Cutlass dual diaphragm booster with a 1989 Firebird m/c in my 1975 T/A. Wow... stops like a Cadillac!!! 1000% difference than the last "correct" booster & m/c. No more using my entire leg to "stop" the car.
hey 67... I had to modify the shaft to fit in my car. Not too hard: cut the clevis pin off, and thread the end with a 3/8x16 die. Then, cut off the entire shaft from the old booster. Thread that end, and use a coupling nut to connect them.
When you install the booster, before you disconnect the brake pedal from the shaft, tie a piece of string from the brake pedal to the steering wheel. When you take out the booster, the pedal will be in the same place.. that way you can adjust the length of the new shaft to match the old one.
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THREADKILLER
1975 Trans Am
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