IS-F Brakes
04-27-08, 09:21 AM
#48
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Great picture Lance... tks!! 
This finalizes that there is not going to be a performance issue here.. with the rotor holes or vanes...
However, IMHO it would have been just as easy for the Lexus IS-F design team to make sure while they are trying to appeal to market studies, to make sure the holes are aesthetically pleasing and following industry standard...
Since they made and assigned 4 different wheel part numbers, the rotors would have been just as easy....
Joe Z
This finalizes that there is not going to be a performance issue here.. with the rotor holes or vanes...
However, IMHO it would have been just as easy for the Lexus IS-F design team to make sure while they are trying to appeal to market studies, to make sure the holes are aesthetically pleasing and following industry standard...
Since they made and assigned 4 different wheel part numbers, the rotors would have been just as easy....
Joe Z
04-28-08, 11:36 PM
#50
look at the prices for the is-f brakes and the fsport brakes, and see how much more expensive f sport is. f sport has directional (from what i know), 2 piece rotors. if instead of 61k, people see 63k on the is-f, that wouldn't look good right? (as if we don't have enough people saying the is-f is too expensive)
Lexus went way beyond what is necessary for good brakes on the IS-F. Also, the discs are fundamentally different from the IS350 - the vane type (see below) is completely different, and therefore no directionality is necessary. Personally, I think they'd have done us all a favor if they'd left out the cosmetic holes, but they're trying to appeal to their market studies which show ordinary people still believe drilled looks better and performs better (despite practical experience in motorsports indicating exactly the opposite.)
But, I also believe that with any 1 piece rotor, heavy use on the track will defiantly warp the rotor to some degree.
Thats why free floating rotors, are just more expensive.
But, how many of us, go down the street at 200+ and have to stop on a dime for a 90 degree turn, 50 times in one day?
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