S2000 Under The Hood S2000 Technical and Mechanical discussions.

Wilwood 4 pot issues?

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Old 08-09-2006 | 07:42 PM
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Default Wilwood 4 pot issues?

After a month of hold backs, I finally got the brakes installed. Looks nice, driver side clears by a couple milimeters, but passneger side just barely grazes the wheel. Im running LE37T's +48 offset. They are supposed to clear, but the one side touches ever so slightly.

The only thing I could think of is that the wheels may have minor defects. I havent tried swapping left to right yet.

The install was simple kind of hard to screw up even though I had no instructions.

Im open to ideas of things to check.
Old 08-10-2006 | 04:33 AM
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Aftermarket calipers combined with aftermarket wheels = aftermarket headaches.

If there is even the slightest chance of contact between the wheel and caliper, I'd suggest that you go back to OEM for either one or both items.

FWIW, my friend used Wilwood calipers on his car for a while until he went back to the OEM design. Even on the track he said he did not achieve improved braking performance and the calipers were a pain to maintain.
Old 08-10-2006 | 05:57 AM
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I had the willwood 4pot. IMO I like stock better.
Old 08-10-2006 | 04:14 PM
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Originally Posted by Jasonoff,Aug 10 2006, 08:57 AM
I had the willwood 4pot. IMO I like stock better.
alot of people will say that the stock brakes are great, and no major difference is felt when upgraded to 4 or 6 pots.

anyway, i have seen revhi's car in person, and he literally cant get a piece of paper in between the rim and caliper.
Old 08-10-2006 | 04:25 PM
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if it clear it's clear doesn't matter how much gap is in between right
Old 08-10-2006 | 05:38 PM
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Well in that case it doesnt clear, it touches the wheel. Not all the time, but any slight vibration, or even sweeping turn it will touch.
Old 08-10-2006 | 07:14 PM
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I'll say it again, don't use the caliper as a tool to "turn" your wheels. Replace the caliper, the wheels or both before something serious occurs.

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Old 08-10-2006 | 08:40 PM
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Not sure what you mean by using the caliper as a tool to turn the wheel.

Im going to try to swap them out tomorrow. I havent driven the car far since the brakes.


Im more upset that a certain sponsor promised these would clear the wheels.
Old 08-10-2006 | 08:44 PM
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They should have had no problem clearing the wheels, if it is a slight touch like that you can use a 3 mm spacer, and should have no problems.
Old 08-11-2006 | 04:08 AM
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Originally Posted by revhi,Aug 10 2006, 10:40 PM
Not sure what you mean by using the caliper as a tool to turn the wheel.
As in how a tool is used on a lathe to turn the object on the lathe. If you have a piece of metal on a lathe and the lathe is spinning around, the tool is used to cut into the metal to give its desired form. In your case the caliper is cutting into the aluminum of the wheel. This puts ridges into the soft aluminum, that if deep enough, can act as stress-risers, facilitating wheel failure. Depending on the hardness of each piece, it is also possible that the wheel could cause damage to the caliper. In either case, that is a bad thing.

It is disappointing that the components do not fit properly, but there is contact between the caliper and wheel, I would not drive the car until the problem is fixed.
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