TheBuggyman

Installing the brake/caliper/master cylinder is not a problem and putting it in place of the existing parking drum brake is an excellent idea. All I need is for someone with more knowledge than me of hydraulic disc brake systems to tell me how to pull the pads COMPLETELY off of the rotor. 73m819, you mentioned an air pull back. How would that work? We already have air, this may be the solution.
What is it that keeps the slight pressure on the pads? Is it the spring inside the MC? Is that spring just for piston return in the MC? Maybe a cutting brake setup to force fluid one way and pull it back the other?
All disc brake pads rub the rotor during operation, Maybe it is just as simple to use a large, ventilated rotor as 73m819 suggested, would it handle the excessive rpm and subsequent heat generation?

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1977 USMC M813-A1
M796A1 Trailer
MKT-95 Field kitchen

All that I am 'cuz of Uncle Sam!