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-   -   Running tires backwards (http://forums.pelicanparts.com/porsche-911-technical-forum/129056-running-tires-backwards.html)

slakjaw 09-26-2003 07:35 PM

if there was a boken belt you would feel it no matter which way the tire was turning, what exactly did you do .. dismount the tire and reverse it?

i have never seen i broken belt from the mounting dismounting prosses but i guess its possible.

also
please take no offence to this as it has happened before
are the lugnuts torqued correctly?

Kyle

red-beard 09-27-2003 05:59 AM

No shimmy when I picked up the car. I drove the car for a couple of days before I noticed that the rotation arrow on the front tires were pointing the wrong direction.

I removed them myself and switched sides they were mounted to. This is when the shimmy started.

I then had the wheels/tires balanced and the shimmy remains.

James

red-beard 09-27-2003 06:00 AM

Oh and this whole thing is about to be moot. These are 15 inch cookie cutters and I'm moving to 16 inch fuchs.

James

Icemaster 09-29-2003 05:12 PM

OK,

So I cant let this thing go cause it's gnawing at me and I'm thinking that I might have wasted a whole lot of money and took some bad advice on my last car.

Try and try and try to find proof of what I was told earlier about tires, and end up proving myself wrong. At least the next owner had a cherrey suspension. Learning experience.

My deepest and humblest apologies to all, I was wrong.

red-beard 09-29-2003 08:16 PM

I'll let you know tomorrow morning if the car shimmies with the new wheels and tires. I won't let myself drive the car with the present "2 spoke" steering wheel.

New arrived today. I'll try to install tomorrow morning.

James

Patronus 09-30-2003 01:47 AM

I've been running one (front) Bridestone in the wrong direction for a couple of months now. Noticed it too late, just left it like that. My little experiment. I run the car fast on rough roads, frequently. Even particiated in a time trial. No problems. In fact, if I brake hard (on a dry road), it seems to hold on a moment longer han the "correct" tyre. It doesn't seem to wear any faster or slower that the left tyre. Won't run it in the wet, though. As far as I know, the only problem lies with water dispersement and aquaplaning.
By the time our wet season starts, I'll need new tyres anyhow.

slakjaw 09-30-2003 05:51 AM

did anyone see see the article in grassroot`s motorsports a few months ago they ran the tires the wrong way on a dry tack and again on a wet track.

it was interesting they actually performed better running backwards on a wet track.

it was a good article

late
K

red-beard 10-01-2003 08:57 AM

Update:

The wheels installed on the car were H offset not J. I was getting a rub on some turns, not sure if this had any effect on the situation.

With the 16 in Fuchs (J Offset) installed with 205 55 16's (Perelli P6000 Z Rated), it runs and tracks wonderfully, and no shimmy.

See new thread on the steering wheel update....

James


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