if any problems i know what to do.
rotor runout
Le Mans Master
Joined: May 2003
Posts: 8,877
Likes: 3,556
From: Fernandina Beach FL
2023 Restomod of the Year finalist
2020 C3 of the Year Winner - Modified
Acceptable?
Supposedly -what I have heard/read from the factory was .008...
However- while you are at it....have it on jackstands... the caliper's off- Why not shoot for .002? Beer cans- Diet Coke cans in my case work well and will just cost you another hour or so...
Richard
Supposedly -what I have heard/read from the factory was .008...
However- while you are at it....have it on jackstands... the caliper's off- Why not shoot for .002? Beer cans- Diet Coke cans in my case work well and will just cost you another hour or so...
Richard
Safety Car
Joined: Aug 2001
Posts: 4,883
Likes: 11
From: North Easton Mass
The O-ring seals aren't as sensitive to runout as the lip seals are. Lip seals will let air pump into the system with excessive runout but I don't think O-ring seals have the same issue.
You might want to look on the VB&P website or ask whoever you bought the O-ring seals from.
Rick B.
You might want to look on the VB&P website or ask whoever you bought the O-ring seals from.
Rick B.
Le Mans Master
Joined: Jun 2008
Posts: 5,284
Likes: 235
From: Rockledge FL
i thought it was .05. maybe that was for O rings. anywho, there are many people on here that use the O ring calipers, never check the runout and never have a problem.
I have read a lot on here about shimming. The only thing I cant find is where to put the shim. Does it go on the high or low spot?
I have read a lot on here about shimming. The only thing I cant find is where to put the shim. Does it go on the high or low spot?
Last edited by baxsom; Apr 2, 2011 at 06:47 AM.
Drifting
Joined: Mar 2011
Posts: 1,886
Likes: 9
Stainless Steel Brake Co in NY used to sell a shim for exactly that. It was drilled for the wheel studs and covered the whole hub. The factory spec for runout is very small. If you have the O ring type caliper seals they will tolerate a bit more. To try to reduce the runout, first I would pull the rotor off the hub and (1) clean it up nice, and then, if that doesn't help, 2) try repositioning it on the hub. You could also bring it to a brake shop and have them cut it, but then you will have a "thin" rotor.
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