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Has anyone replaced the rear brake pressure regulator with an adjustable one? I've upgraded the front brakes to bigger rotors, so now the same pedal pressure give me more force at the front. This leaves the rear drums doing not much. Thought I could install an adjustable pressure regulator and let more pressure through.

Cheers

I have a wilwood adjustable one in the slug to sort out the bias which is beyond the range of the bias bar box I have - in fact it's just about turned all the way to the minimum. You could fit one of those in place of the stock one and sort out the setting over time. If it's a road car with interior a twiddly brake adjuster next to the gearlever will look odd, so stick it under the bonnet and do it gradually is probably the best bet rather than get it bang on as you do a lap of the track!