308 to 314mm - Saab Performance Bulletin Board - Saabnet.com
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308 to 314mm
Posted by steve (more from steve) on Fri, 31 Jul 2015 15:51:24
In Reply to: Re: brake upgrade for 2004 9-5 Aero, CE, Thu, 25 Jun 2015 19:28:47
Assuming the same pad size and force, the moment arm at each point is shifting out by 3mm. Using this calculator, with the prefilled info which I realize doesn't apply to these cars, the gain from 308mm to 314mm is about the same as adding 0.01 to the pad coefficient of friction. Given that many don't even brake fully, dealing with the swap hassles including wheel issues might not be worthwhile. Get better tires and pads and brake with full force immediately instead of as the car slows.
Am I missing something?
posted by 96.246.2...
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