[Shotimes] Vibration or picky...again

[cmichaelo@optonline.net]

0.000001%?  That's ONE in 100 MILLION!!!

Why you even bother suggesting...lol.

Actually I did look into this, and the studs are fine.

Michael
94MTX,green,BOS+,Koni/Intrax,Baer,Corbeau
SHO items for sale: http://hometown.aol.com/cmichaelo/for_sale.html

----- Original Message -----
From: Zach Leahy <leahyz@gmail.com>
Date: Thursday, February 24, 2005 8:01 am
Subject: Re: RE: [Shotimes] Vibration or picky...again

> Just a thoght,
> 
> i didn't hear the whole story here, but i you wailed a pothole ard
> enough, there is a slight (albeit quite slight0 chance that you bent
> the lug studs.
> 
> I give that about a .000001% chance of being correct, but what they
> hey e are all fising here.
> 
> Z
> 
> 
> On Thu, 17 Feb 2005 17:12:15 -0500, Leigh Smith 
> <leighsm@comcast.net> wrote:
> > Well;
> > This is getting tough. Good thing I like brain-teasers!
> > OK - Belts can shift in a tire, for many reasons, sometimes just 
> due to
> > curing /heat issues. Many symptoms. Tread could move laterally 
> 1/2 in or
> > more, or it could get a bubble in the tread or sidewall, or it 
> just may have
> > a "stiff" spot during rotation. (Old BFG tire employee / chemist 
> / racer).
> > But your car vibrates with 3 different sets, so I'd rule all 
> that out.
> > Same with 3 sets of rims - rule that out.
> > Now we are down to rotor / hub issues.
> > I'm betting your problem is in there some-where.
> > It's not bearings, different symptoms.
> > I have no experience with Baer brakes. Are the calipers solidly 
> mounted? or
> > do they float on pins?
> > You mentioned a slight scrape during rotation - this usually 
> happens with
> > even minor variations in rotor thickness. However, yours doesn't 
> vibrate on
> > the brakes, so I'd rule out any major issue..
> > You mentioned hub/rotor runout. I'd measure the hub VERY 
> carefully, with
> > machinists type tools, dial indicator, solidly mounted, etc. 
> Runout should
> > be almost zero.
> > If you have solid mounted calipers, I don't see how hub or rotor 
> runout> could be bad, 'cause the brakes would vibrate like mad.
> > But if they float, like stock ones, it will tolerate being "out" 
> a little
> > bit.
> > My best guess would be a slightly tweaked / bent hub 'cause of 
> that pothole
> > you mentioned. If it bent a rim, that was a pretty big shot.
> > If that part is OK, then it must be the rotors. Not warped but 
> maybe the
> > balance is off. I'd have the rotors re-finished, and find a 
> place that can
> > dynamically balance them..
> > George's on-car balance method, or the on-car machines that 
> people used to
> > use, would correct for that as well, but if you ever removed / 
> rotated> tires, you would have to have it re-done.
> > You could put the tire back on the same wheel if you kept track 
> of how it
> > was "indexed", ie: which stud/hole.
> > Sorry this was so long, but it is a tough one.
> > Good luck!
> > Lee
> > 
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