 anyone measure temperature of thier calipers, during race or time trial or???? |
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| Mueller |
 Mar 28 2004, 11:11 PM
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914 Freak!  Group: Members Posts: 17,146 Joined: 4-January 03 From: Antioch, CA Member No.: 87 Region Association: None 
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just curious what temperature differential between the front and the rear brakes are???
i've heard and read that even with some of these big heavy european cars (non-Porsche) that doing the big brake upgrades in the rear of the vehicle is pretty much a waste of money ($3000 in some cases) has anyone done a 911 front or big brake upgrade and have to put vented rotors in the back due to overheating???? |
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| Brad Roberts |
Mar 28 2004, 11:21 PM
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914 Freak! Group: Members Posts: 19,148 Joined: 23-December 02 Member No.: 8 Region Association: None |
Yes. When you have the brake bias dialed in the fronts are usually only 50deg or so hotter than the rears.
(which is why I know a Tee works well for most everyone.) B |
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| SirAndy |
Mar 28 2004, 11:45 PM
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Resident German Group: Admin Posts: 41,635 Joined: 21-January 03 From: Oakland, Kalifornia Member No.: 179 Region Association: Northern California |
QUOTE(Brad Roberts @ Mar 28 2004, 09:21 PM) (which is why I know a Tee works well for most everyone.) except me (IMG:style_emoticons/default/sad.gif) gotta get myself some bigger brakes in the back ... Andy |
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| campbellcj |
Mar 28 2004, 11:50 PM
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I can't Re Member Group: Members Posts: 4,544 Joined: 26-December 02 From: Agoura, CA Member No.: 21 Region Association: Southern California
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Kind of OT but I have been mildly freaked by how MUCH smaller the rear brakes are on my Audi than the fronts. The fronts are fairly friggen huge, and the rears are "mini me" sized...visually look smaller than 914/4 rears and this is a 3400lb car...
Obviously most newer cars are tuned from the factory with massively front-biased brakes (and massive understeer). It "feels" safer to your average joe american driver. On the other hand, it definitely took a while to get used to having rear brakes on the 914 actually contributing to braking. |
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| Brad Roberts |
Mar 28 2004, 11:54 PM
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914 Freak! Group: Members Posts: 19,148 Joined: 23-December 02 Member No.: 8 Region Association: None |
Or put smaller calipers on the front...LOL
B |
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| machina |
Mar 29 2004, 07:32 AM
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Advanced Member Group: Benefactors Posts: 2,030 Joined: 21-June 03 From: Miami Beach, FL Member No.: 848  |
I have never been a big fan of putting huge rotors and calipers on cars that just don't need it.
The guys with british cars at the track think my stock solid rotors are HUGE because they have even small rotors with drums in back. One of those shows on speed added some big rotors on a compact car with about 200hp. When they dynoed it after the brake upgrade, it lost 7hp due to the added weight and circumference of the rotor. If you have 300+hp and run tracks with long staights (and your class allows it, mine doesn't), get some big reds, otherwise learn how to slow the car properly. dr |
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