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      12-26-2008, 08:41 PM   #9
alan93rsa
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Drives: 335i Coupe Crimson Red/Black
Join Date: Jan 2008
Location: Cincinnati


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Quote:
it's actually very common on race cars to use different compounds for front and rear, depending on the car setup. When you get into the the brembo/wilwood/stoptec type of calipers, they use off the shelf racing pads which are usually cheaper than a specialized pad for a production car. You can get 4 or 5 different compounds for each caliper model, each one with a slightly different friction coefficient, for exactly this purpose.
If you want to or have to run the stock calipers about the only way to adjust the bias is with a different rear pad. On Porsches I used to go through 2 sets of fronts for every set of rears.

As with anything is always possible to screw it up.
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Alan