Thread: Brakes??

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Are you upgrading to disc from drum?

If so don't forget the proportional valve...gave me some problems when I upgraded the old '48 chevy. Someone else may be able to offer a clearer explanation

Good luck!

Originally Posted by Hot Rod Surfer

Are you upgrading to disc from drum?

If so don't forget the proportional valve...gave me some problems when I upgraded the old '48 chevy. Someone else may be able to offer a clearer explanation

Good luck!

I am upgrading from all drum to all disc. I have the original flathead that doesnt have enough vacum for a boost brake. It has to be a manuala dual master cylinder i guess, or back to the orginal single master cylinder.