Quote:
Originally Posted by AnthonyG
Good stuff Brian & DD, took a while to read all & absorb. Think I’ve understood. In a system w a specific size or sizes ( some diff front to rear) wheel cyl’s, using a specific single stage Master cyl that works as should, to maintain good pedal & stopping when changing to dual MC, the new MC needs to have at least the same cylinder bore & stroke as original but bigger bore is better? Seems rational or am I still in the weeds?
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It should have the SAME BORE....period! As the M/C bore's diameter increases, the pedal becomes MORE difficult to push. You increase the bore diameter (on the M/C) enough and you become incapable of pushing hard enough on the pedal to stop. And it doesn't take much, either. This is why you have to be careful when adding a dual M/C on an old Ford. The stock pedal obviously has only so much room to swing. And God forbid if you have some extra carpet and padding to take-up space under the pedal. It takes some delicate engineering to get it done PROPERLY. DD