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Old 02-20-2016, 09:04 AM   #4
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Join Date: Apr 2010
Location: Canada
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thanks folks. i'm 235 front 265 rear but moving to a 245/275 setup this spring. i suppose increasing the front tire relative to the rear would have moved bias forward.

i feel the abs coming on in the front before the rear. this was happening before the tire change and think this is how it comes from the factory (similar to the inherent understeer that the car comes with in the name of street safety for the lowest common denominator driver - and something we actively tune out of the car for track use). if i am locking the fronts before the rears then on a technical track where i am braking hard and frequently then i would assume i am getting more heat into the fronts. so, i was wondering if any of you folks who see more boxster racing than i do up here are aware of folks playing w bias, either through different pads, different rotors/calipers, bias valves, etc.

what i am hearing is that it's really only done when needed to address the additional front bias caused by bigger front tires.
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