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 Help diagnosing vibration

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CreepinE30



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PostSubject: Re: Help diagnosing vibration   Mon Jun 27, 2011 10:34 pm

That's my feeling too Phil. If it makes you feel better I can throw your summers on our balancer while they are off so u can see if what the deal is. Hope fully the snows can narrow things down.
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Undertaker4

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PostSubject: Re: Help diagnosing vibration   Mon Jun 27, 2011 10:52 pm

i would bring it to Josh, he can personally inspect it, and most likely diagnose the problem with a balancer
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halo0

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PostSubject: Re: Help diagnosing vibration   Mon Jun 27, 2011 11:01 pm

Did you miss the part where the wheels were just balanced? Laughing
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acedeuce802

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PostSubject: Re: Help diagnosing vibration   Mon Jun 27, 2011 11:16 pm

Smile

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CreepinE30



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PostSubject: Re: Help diagnosing vibration   Mon Jun 27, 2011 11:18 pm

No I didn't. I was offering a second opinion. Just an option
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halo0

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PostSubject: Re: Help diagnosing vibration   Mon Jun 27, 2011 11:35 pm

Josh, I was responding to Dani who was saying that the problem could be diagnosed with a wheel balancer. I know nobody is perfect but for now I'm assuming the guys at DT can balance a wheel properly. So if that's the case then it would seem that he problem can't be diagnosed with a wheel balancer since the problem didn't go away after a balance. That's all I was saying. I def appreciate anyone's offer to help. Smile
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CreepinE30



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PostSubject: Re: Help diagnosing vibration   Mon Jun 27, 2011 11:43 pm

Nah it's alll good. This is just kind of throwing me for a loop! Lol! I would at least like to get one of our cars working right hahaha! Something like this is almost one of those things where you have to be in the car to know. I have had ALOT of experience with this sort of business. There is never a clean cut method to solve it unfortunatly.
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Undertaker4

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PostSubject: Re: Help diagnosing vibration   Tue Jun 28, 2011 6:44 am

Phil a balancer serves more the one purpose, if you say that you might have hit a large pothole, then throwing a wheel on the balancer can easily detect that, when the wheel is spinning, also it give Josh an easier way to see if the tread is different from one side to another, by looking at the tire when it is spinning all these things can be done much more efficiently when on a balancer
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acedeuce802

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PostSubject: Re: Help diagnosing vibration   Tue Jun 28, 2011 8:52 am

Phil has ALREADY had them re-balanced. So, he is putting on his snows to see if it's related to the wheels!

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PostSubject: Re: Help diagnosing vibration   Tue Jun 28, 2011 10:07 am

So apparently Chris is convinced it's the tire wear that is causing it. Thing is I don't get what could be causing the wear. My Koni's are new all around, and everything else in my suspension is in good working order as far as I can tell. The alignment that was done 2 months ago only found the tiniest of errors in the rear toe, which was corrected. The problem has become much worse in the 2 months since the alignment. The tires are about $750 a set.

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CreepinE30



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PostSubject: Re: Help diagnosing vibration   Tue Jun 28, 2011 10:33 am

I think it may have to do with the settings on your shocks. What is most likely happening is the shock is wound to tight and causing the spring to have a hard time doing it's job. Just an idea. The tires are prob chopped?
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halo0

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PostSubject: Re: Help diagnosing vibration   Tue Jun 28, 2011 10:41 am

Apparently they are lightly feathered.
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CreepinE30



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PostSubject: Re: Help diagnosing vibration   Tue Jun 28, 2011 10:44 am

Inside or outside or both?
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PostSubject: Re: Help diagnosing vibration   Tue Jun 28, 2011 10:49 am

I don't know.
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CreepinE30



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PostSubject: Re: Help diagnosing vibration   Tue Jun 28, 2011 11:10 am

Hmmm... This is the extent of my diag without observation. Pics would help too brah
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PostSubject: Re: Help diagnosing vibration   Tue Jun 28, 2011 11:29 am

prolly inside, Phil whats the your camber on the rear?
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acedeuce802

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PostSubject: Re: Help diagnosing vibration   Tue Jun 28, 2011 11:39 am

Camber doesn't cause feathered tires, toe does.

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CreepinE30



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PostSubject: Re: Help diagnosing vibration   Tue Jun 28, 2011 12:19 pm

Adam wins the cookie!!!!!
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PostSubject: Re: Help diagnosing vibration   Tue Jun 28, 2011 12:35 pm

Correctamundo! Plus the camber is in-spec anyway. I just have a hard time wrapping my head around the idea that such a minor toe problem could cause this much wear, but maybe it can.
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PostSubject: Re: Help diagnosing vibration   Tue Jun 28, 2011 12:59 pm


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PostSubject: Re: Help diagnosing vibration   Tue Jun 28, 2011 2:22 pm

The tires are Falken 452's. I found these on just the first page of google search results. Hmm.

http://forums.vwvortex.com/showthread.php?4076475-Falken-fk-452-feathering-problems
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so here is the deal i bought a set of these tires brand new two springs ago. I read the reviews and based off that i bought them..loved them to death great tire for the money. well i drive about 80 miles a day round trip mostly highway...By the end of the summer i was having huge feathering issues...(all alignments and tire presures were correct) so i contacted falken and they were awesome and took care of me on the cost of some new tires. i had them mounted back in may its now mid october and i have continued to rotate them every 4k and keep the air pressures correct. i had an alignment done halfway through the summer and now here i am again with horrible feathering issues. Im just curious if anyone else with these tires have run into similar issues???? if so what have you done and does anyone have any suggestions because i am lost here and so is my service dept..(i work in sales at the dealership) any help is greatly greatly apprciated....

http://g35driver.com/forums/4486419-post26.html
Quote :
The local place here stopped carrying them due to complaints. They pushed them pretty hard with all us locals and once people started running them and having probems they stopped selling them because that were getting tore up in having to replace tires for bad manufacturing.

I wasn't drifting or doing burnouts. I drove the car pretty hard on some autox but i sure as hell didn't put 12k on an autox track. Mine were feathered and wearing out at the first oil change after i got them on there. The tech pointed it out to me. Then i took it to the shop where they procedued to have me bring car in every few months to have it aligned because they said it was my car. Well that didn't fix it and there were quite a few more claims on them wearing out so they will no longer order them.

http://www.e90post.com/forums/showpost.php?s=b8ea3997a01ce78698ad3f948325674d&p=6459373&postcount=4
Quote :
I've had both the stock RFTs and the Falkens. The falkens with feather and begin to trammel after 8,000 miles or so which will compromise your ride quality (it annoyed the hell out of me). For about the same price, look at the Hankook Ventus V-12 Evos or for a little more, consider the Vredestein Ultrac Sessantas.
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halo0

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PostSubject: Re: Help diagnosing vibration   Tue Jun 28, 2011 4:06 pm

Great article about the effects of camber and toe when lowering your car. Explains everything very clearly. I apologize for the site that it's hosted on. Laughing

http://www.hondatuningmagazine.com/tech/htup_0712_camber_101_honda_camber_guide/index.html
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CreepinE30



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PostSubject: Re: Help diagnosing vibration   Tue Jun 28, 2011 6:14 pm

Yeah. Hard cornering has a dramatic effect of feathering. I feather tires on all my cars bc I drive like dani!
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PostSubject: Re: Help diagnosing vibration   Tue Jun 28, 2011 7:21 pm

This was def not caused by cornering. With the amount of freeway driving I do I guarantee 99.9%+ of my tires' travel time is in a relatively straight line. Laughing

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CreepinE30



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PostSubject: Re: Help diagnosing vibration   Tue Jun 28, 2011 8:41 pm

Makes sense. Saturdays are the only times I take the highway. Did you swap to winters? Based on what I have been reading it looks like Chris sold you some bad tires... Sorry bro
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