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Message: <blockquote data-quote="teejay" data-source="post: 76968" data-attributes="member: 51">i'm no expert......but i'll tell you what i knowbrake bias is controlled by a valve, some have it selectable in cockpit or at the valve itself  e.g.. percentage bias front to rear like those WRC carsif you have bigger brakes up front, chances are bias will float to the front, coz there's a bigger pressure build due to the huge diffrences in brake piston diameteryuo would have to then calculate the differences of surface pressures differences from the front and back, from the original setup and new setup e.g. ori setup maybe 59%-41%, based on surface pressure, and the new setup maybe 75%-25%so you would probably need to increase the rear bias to get a balance - i'm talking about surface pressure, then you'll have to calculate the appropriate braking pressure to fronts and rearunless there's a significant increase in the fronts, then the rear would still be using the original bias, the proper way is to get the the rear pressure enough just before the lockup, else the front wil nose dive alot, and the rear will still have force to push the car forward.....</blockquote>