I have a 1963 Impala with drum brakes all the way around. I have a dual master cyl on the car now with a 1" bore. My wheel cylinders are 1" on all 4 wheels. I want to put a 9" brake booster on the car. Should I get a 9" duel booster or a 9" signal booster?
Also should I stay with the 1" size master cylinder with the brake booster?
Thanks Dan
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