 Rear Brake Hop, is it bias? |
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| nine14cats |
 Sep 8 2003, 10:31 PM
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Bill Pickering -- 914-6 GT aka....Leeloo  Group: Members Posts: 2,618 Joined: 10-February 03 From: Campbell, CA Member No.: 287 Region Association: None  |
Hey Guys,
Here's a question on braking bias and how to solve a little occasional rear hopping. First the stats on the car: 911T Front Suspension including rotors and calipers '87 944 Front rotors and 914-4 Front calipers on rear. 23mm torsion bars front, 250lb springs rear Bilstein shocks all around. 22mm Front Swaybar, 16mm sway rear. Prop valve replace by brass T. Porterfield R-4's (fronts) all around Issue: On the track I love the brakes...not fading (I know, i'm not going fast enough) and it feels really balanced. On auto-x courses under HARD braking I get rear wheel hop. I have to admit that with more seat time I'm getting smoother and even my braking is getting better and the hopping is going away. But it's still there a little. My question is: is it all driver modulation related? or is the mechanical balance off? On the tracks it's great, but I get it occasionally on the auto-x courses. Thanks, Bill |
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Posts in this topic
nine14cats Rear Brake Hop Sep 8 2003, 10:31 PM
Brad Roberts In a straight line ?? Loaded or unloaded side ??
... Sep 8 2003, 10:33 PM nine14cats Hi B,
Only when the rear unloads and in a straigh... Sep 8 2003, 10:35 PM Brad Roberts The T is too much rear bias in this case. It will ... Sep 8 2003, 10:40 PM
nine14cats Thanks B,
I have a nice set of stock pads in the ... Sep 8 2003, 10:43 PM  |
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