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Master Cylinder bore sizes
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Author:  A. Cole [ Mon Sep 29, 2008 9:32 pm ]
Post subject:  Master Cylinder bore sizes
I want get the right size bores, is bigger better?
front
rear
clutch/slave
Author:  kybuggy1 [ Mon Sep 29, 2008 11:15 pm ]
Post subject:  Re: Master Cylinder bore sizes
For the rear brakes, bigger seems to work better. More line pressure with less foot pressure. 7/8 bore

For the clutch , smaller bore works better. Dont know why, but clutch is WAY easier to push wth 5/8 bore than 3/4.
My wife was uncomfortable pushing the clutch on her buggy with a 3/4 MC on a stage 3 p.p. Switched to 5/8, and no problem.

Front brakes, dont know. I've always had a 3/4 bore. Seems to work fine with my Strange Eng. calipers (Just like Wilwoods single pistons). Takes a little pressure, but not bad. Bigger might be easier.

Larry
Author:  A. Cole [ Tue Sep 30, 2008 11:21 am ]
Post subject:  Re: Master Cylinder bore sizes
thanks for the insight :D
Author:  Odyknuck [ Tue Sep 30, 2008 12:45 pm ]
Post subject:  Re: Master Cylinder bore sizes
Master cylinder sizing is based on the amount of fluid that has to be moved in the wheel cylinders, disk brake calipers or a clutch slave. Wheel cylinders and clutch slaves have a smaller bore and move less fluid therefore a smaller master tends to work best. If the master is to move front and rear wheel cylinders then a larger bore is required. A set of rear disks work best with a larger master because they have more fluid to move. Rule of thumb is larger masters require more foot pressure and have a harder pedal. Small masters require less foot pressure and tend to have a softer pedal.
Author:  rockrockets1 [ Tue Sep 30, 2008 10:08 pm ]
Post subject:  Re: Master Cylinder bore sizes
Exactly smaller more pressure. we have tested all kinds ,ask my buddy NCbuggy he will tell you our buddy Busby has tried 2 or 3 things a weekend HA HA HA
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