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79 malibu soft brakes

2K views 5 replies 3 participants last post by  mikes68493 
#1 ·
i have a 79 malibu with a ford 9 inch i am having problems with getting a good pedal i put gm metric calipers on the rear. do i need a different valving or a residual valve. help!!!!!!!!
 
#2 ·
Are you using the stock proportioning valve? If so, you may have to swap that out for an adjustable valve. The new calipers you put on the rear may require different pressure than your stock units. (I'm assuming that you've done the normal bleeding of the lines to eliminate any air pockets.)

[Edit] Are you using a power booster?
 
#6 ·
79 malibu soft pedal

yes the calipers are on the correct side the calipers and the brackets are the same as a IMCA mod. i looked at a couple adjustable proportioning valves and they say there more for turning the back brakes off could i switch the lines and use residua valves
 
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