POWER BRAKE VACUUM

MoparLeo said

Easy fix, put the rear drum brakes back on. The rear brakes only do app. 20% of your braking.
Disc will only be better when they are wet over drum's. Otherwise unless you're regularly towing, live in the mountains and ride the brakes down, or make lots of high speed stops, you will never need the disc on the rear.
More eye candy than practical.

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I used the rear disk kit because ive had it for several year. I bought it for a past build that i never used it on. It was cheaper to use it than buy all new rear drum brakes system. The car was a manual 4 drum car. With automatic. I changed it to a 4spd. I used the original brake pedal push rod and brass brake block