Mr.P
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| posted on 27/2/22 at 02:39 PM |
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Wilwood Cylinder Question
Afternoon Guys
I have a Tiger Avon which runs Wilwood 4 pots Powerlite on the front and 2 Pot Wilwoods on the rear
Both have there own Wilwood Brake Cylinder which run off a Bias adjuster to the brake pedal, removed the rear one as it has failed, causing rear brake
to stick on.
I have never taken the cylinders off prior nor touched them, anyways just removed both and noticed the Rear Wilwood Cylinder is bigger than front
Wilwood 0.75 Rear
Wilwood 0.625 Front
I have never had any issues with braking but thought while I`m there I`ll just change both Cylinders for peace of mind. Is that correct the bigger
cylinder is on the rear?? Surely that should be on the front??
Any advice welcome. 
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ak
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| posted on 27/2/22 at 03:11 PM |
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Yep, that is totally normal.
Pressure = Force / Area
So for a given applied pedal force, a smaller bore area will create a higher pressure in the system.
I've got an OBP system and that's also the setup they recommend: https://www.obpltd.com/product-page/master-cylinder-7
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Tiger Avon - 2.0L Blacktop Zetec - GSXR1000 TBs - Microsquirt V3
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mcerd1
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| posted on 27/2/22 at 08:06 PM |
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^^ what he said - big one needs to got to the back
even might seem a bit counter intuitive the bigger master cylinder needs to go where you need less pressure - swapping them round could give you
some very interesting / scary braking... 
[Edited on 27/2/2022 by mcerd1]
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Mr.P
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| posted on 28/2/22 at 06:35 AM |
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Thought it would be something to do with a smaller bore vs pressure but thought i`d check prior to putting new ones back on
Thank you guys for the responses
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