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Old 05-26-2013, 10:08 PM   #146 (permalink)
Ryland
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Join Date: Jan 2008
Location: Western Wisconsin
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honda cb125 - '74 Honda CB 125 S1
90 day: 79.71 mpg (US)

green wedge - '81 Commuter Vehicles Inc. Commuti-Car

Blue VX - '93 Honda Civic VX
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Manual brakes should be an easy swap, you just need a manual brake master cylender with the same bolt pattern, ideal would be one made for a vehicle like you have, common in some hot rods and older vehicles and in your Citi-car, power brakes will feel smoother and will help you stop quicker and easier, I'd keep them if possible.
As it is the power brake booster you have adds resistance when you are missing vacuum to it, some people say you can just poke a hole in the huge diapham and use it like that.

I think the vacuum pump is the device in photo number 2 that has a hose of some sort going to the intake (filtered air) that crosses just over the hook in the photo that is on the orange strap, maybe remove the vacuum pump and put it's own motor on it? or like you said already use a much smaller pump on the fire wall to save space.
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