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      10-13-2011, 09:27 PM   #23
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Drives: F80 M3
Join Date: Mar 2007
Location: Santa Barbara, AP, Brembo, GIAC, Koni, Ohlins, Performance Friction, www.hpautosport.com

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Quote:
Originally Posted by Malakas View Post
ST40 front (355) and rear although Richard (from M-world) told me the piston sizes are different F/R to keep the bias correct. Richard really suggested the ST60 6-piston brakes for the front but I wanted to keep my stock 18" wheels, and we didn't feel the ST60 would fit (despite recent thread here).

As said above, I think the Grand Am run the 4-piston in front so I think I should be good for 6-8 DEs / year.
ST60 with 380mm rotors will clear most true 18" wheel designs. The stock 18" don't offer the same clearance.