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Up. Anymore ideas?




I would find out exactly what bore-diameter you have now and go one size smaller.
Going from 1.125" to 7/8" is way too much of a step and most likely won't work if you have a proper manual brakepedal ratio in the car.

If you don't have a residual valve in the rear brake-line I would get one as well.




So try a 1 inch master or a size between 1 and 1.125. I do have a pedal from a manual brake car.

Why the residual valve in this app?


72 RR, Pump gas 440, 452s, 3800 lbs, Corked, ET Radials,. 11.33@117.72. Same car, bone stock 346s, 9.5 comp, baby solid. 12.24@110.