[Shotimes] Vibration or picky...again

[Ian Fisher]

ohhh..I should try this...

I usually just lean against the wheel.

Ian

--- Mike Bruce <shoitoff@verizon.net> wrote:

> It's possible that your wheels are not seated
> exactly flush and centered
> on the studs.  This would cause a vibration that is
> noticeable at
> certain speeds.  I have this problem with the
> Wilwood rotors on my SHO.
> I find that if I tighten each lug by hand while
> rapping on the rim with
> a mallet, I can get the lugnuts to take a perfect
> seat and ensure that
> the wheel is centered on the hub.  
> 
> -----Original Message-----
> From: shotimes-admin@autox.team.net
> [mailto:shotimes-admin@autox.team.net] On Behalf Of
> cmichaelo@optonline.net
> Sent: Monday, February 07, 2005 7:54 PM
> To: Mike Bruce
> Cc: 'shotimes'
> Subject: Re: RE: [Shotimes] Vibration or
> picky...again
> 
> Vibration can be felt throughout the car, but
> especially in the
> dashboard.
> 
> You can just visually see the dashboard vibrating.
> 
> This vibration happens with all of my wheel combos
> (two 235/45-17 and
> one 235/40-18), but is somewhat more pronounced with
> the 40 seris tires.
> 
> All wheels are balanced. Rims are "true" both
> radially and laterally. 
> 
> The vibration is felt in one (sometimes two)
> particular mph "spots".
> You go 3mph faster or slower and then there's no
> vibration.  So it's a
> resonance thingy.
> 
> Just to add aggravation to the whole thing,
> depending on which of the
> five positions you can mount a wheel on the hub,
> these mph "spots" move
> around quite a bit.  The spots can be as low as
> 65mph or as high as
> 85mph.
> 
> Ball joints are new. Tie rods are new.
> 
> The only thing that is not new is the front wheel
> hubs and bearings and
> CV axels.
> 
> I've tested the bearings with the "twist the wheel
> up and down" method.
> No movement at all.
> 
> I had an accident (or someone who borrowed my car
> actually) many years
> ago when he severely bent a front rim and dislocated
> the upper strut
> mount.  I have since then replaced struts, springs,
> and brearing mount.
> 
> Is it possible that something could have happened to
> the wheel bearing
> or the studs in the hub?
> 
> Michael
> 94MTX,green,BOS+,Koni/Intrax,Baer,Corbeau
> SHO items for sale:
> http://hometown.aol.com/cmichaelo/for_sale.html
> 
> ----- Original Message -----
> From: Mike Bruce <shoitoff@verizon.net>
> Date: Monday, February 7, 2005 7:03 pm
> Subject: RE: [Shotimes] Vibration or picky...again
> 
> > My ATX is pretty smooth at speed unless it's been
> sitting for a few
> > days.  It's got a similar setup to yours except
> for slicers.  My
> > father's 92 track car is so smooth a high speeds,
> you feel as 
> > though you
> > are floating (needs downforce).  Bumps are another
> matter...
> > 
> > So there's no vibration above or below 70-80? 
> Where and when do you
> > feel the vibration the most?  Brake pedal,
> steering wheel, dash, seat,
> > etc.  Cruising or during acceleration?
> > 
> > Maybe a worn ball joint or out of balance
> tire/wheel.
> > 
> > Mike Bruce
> > 
> > -----Original Message-----
> > From: shotimes-admin@autox.team.net
> > [shotimes-admin@autox.team.net] On Behalf Of
> > cmichaelo@optonline.net
> > Sent: Monday, February 07, 2005 6:42 PM
> > To: shotimes
> > Cc: cmichaelo@optonline.net
> > Subject: [Shotimes] Vibration or picky...again
> > 
> > I'm noticing a noticable, but only somewhat
> annoying, vibration in my
> > car somewhere around 70-80mph.
> > 
> > If someone was in my car, I think it's likely that
> they would 
> > notice the
> > vibration. One of you guys would.  But the
> question is if you 
> > would find
> > it objectionable.
> > 
> > I have TPR bushings throughout, alu SFB, torque
> converters, Koni,
> > Intrax, 235/40-18 on 8.5 rims, pilot sport tires.
> > 
> > Do any of you with equal or tighter cars have a
> vibration free 
> > ride at
> > high speeds?
> > 
> > Am I being naive in assuming that I can possibly
> achieve vibration 
> > freeride after having replaced most of the
> vibration absorbing 
> > components?
> > Michael 
> > 94MTX,green,BOS+,Koni/Intrax,Baer,Corbeau 
> > SHO items for sale:
> http://hometown.aol.com/cmichaelo/for_sale.html
> > _______________________________________________
> > Shotimes mailing list
> > Shotimes@autox.team.net
> > http://www.team.net/mailman/listinfo/shotimes
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