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Anyone confirm this is a disc rear proportioning valve?
Anyone know for sure this is a disc front and rear brake proportioning valve? Seller listed it as off a four disc brake FB, but saw a post on RX7Club that should have a number starting with FA stamped on the body and don’t see it. Just don’t want to do some brake learning the hard way!
And if the answer is in the details… installing a 83 GSL rear end in a drum rear 81 FB, leaving the master cylinder stock, removing the residual valve and swapping the proportioning valve to the one shown in pics.
+1. the actual specs for the valves are in the manuals, and there is probably something to be gained by playing with it, or you can make it adjustable (its just a ball and spring or something like that)
I think there all the same on the outside. It's the piston color on the inside and the spring. Red is drum brake. Green or blue is disc. U can use a Miata piston thing. There exactly the same. There blue.
