Thread: poor brakes

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Are you using the double diaphragm booster or the single? The double 7" will give will give more total area than a single 8". This comes at the expense of a longer booster while keeping the diameter approximately the same.

Originally Posted by Hotrod46

Are you using the double diaphragm booster or the single? The double 7" will give will give more total area than a single 8". This comes at the expense of a longer booster while keeping the diameter approximately the same.

yes its a double , thanks for that info .