AP Racing Master Cylinder Help
I need help on which size bore I need on my car?
How does it work? The smaller the bore the less fluid is pumped? So the bigger the bore the more fluid is pumped? Im a newbie when it comes to the braking system :oops: Billy |
what do you want it to do?
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Originally Posted by jon@work
(Post 6469221)
what do you want it to do?
Ideally to stop the car when I push the middle Pedal :cry: Jokes aside, I'm going to make my own pedal box system because I have a serious lack of space to use a standard size servo etc So need to find out what size bores to use etc as I dont want to get balls deep only to find that I have the wrong Master Cylinders Billy |
smaller the bore means more pressure IIRC
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Smaller bore means less force acting on the pedal, because P=F/A. P should be constant, so smaller A means smaller F to keep P the same. Thats why a smaller bore master cylinder gives you a lighter pedal and longer travel than a large one.
A smaller bore cylinder have less volume which means you need to push the piston further to move the same amount of fluid as a larger one. |
Originally Posted by nixon_2wd
(Post 6470632)
Smaller bore means less force acting on the pedal, because P=F/A. P should be constant, so smaller A means smaller F to keep P the same. Thats why a smaller bore master cylinder gives you a lighter pedal and longer travel than a large one.
A smaller bore cylinder have less volume which means you need to push the piston further to move the same amount of fluid as a larger one. Ok I follow you I think, so would I use a smaller bore for the fronts and a larger bore for the rear? Billy |
That depends on your caliper pistons (slaves). You should most likely use two equally sized mcs and then its only a matter of adjusting the brake bias (a lever which controls the stroke distribution).
The only reason for using a bigger mc is when your stroke is limited or if you experience very long pedal travel, mainly due to additional pistons on large brake setups. |
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