i have a 69 c10 that i am still using drum brakes on front for time being, i have a booster,master cly.,porp. vale off 71 with disc. my ? can i use booster,mst. cly. for 71 and 69 porp. valve for better braking until i change over to disc setup. i know there was a thread on this, i have saved a bunch of threads but not this one and been searching for days. thanks for all the help
sledgehammer