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Car Forum / Ford / Ford Falcon / June 2006Tyre wear
Wow! I got a shock the other day when I went to get my wheels rotated (front to rear etc) on removing the tyres I found that on the inside edge of the front tyres one of the tyres had worn through to the steel belt, of course I then had to replace both as the other one had also worn heavily on the inside edge. Tyres are 17" Kumho on Ford rims I'd done about 25k the ones on the rear will be good for about another 10k by the looks. I thought I was pretty diligent with watching my tyres but this caught me out, I'd had my front end done at my dealer about 6k ago and he had noted tyres had some wear on the front, suggested I should rotate them to the rear. Guess I should have done so then. I'm trying Firenzo's now so I'll see how they wear. GB Also sounds liek you need a good wheel alignment too there mate bad wheel alignment can and will wear the shoulders of any tyres down very quickly, tho you can have wear on the inside of 1 tyre and the outside of another. Hitting gutters will cause your wheel alignment to be out of whack, pot holes, hitting other things are all events that will put your wheel ailignment out. Best thing is to also have your wheel alignment checked on a yearly basis, or when you have hit ant solid object. Tie rod ends govern your alignment. Good luck Peter Australia ( Bridgestone employee) > Wow! I got a shock the other day when I went to get my wheels rotated > (front to rear etc) on removing the tyres I found that on the inside edge [quoted text clipped - 9 lines] > > GB I'd also suggest he has his shocks checked as well. Worn shocks caused my EL to demolish two front tyres in a similar fashion to what he has described. > Also sounds liek you need a good wheel alignment too there mate bad wheel > alignment can and will wear the shoulders of any tyres down very quickly, [quoted text clipped - 22 lines] >> >> GB I know that tyre pressures can create a lot of argument, my Ford dealer reckons that 26psi is fine, my tyre dealer reckons 38psi, I've been running 32psi. Any suggested optimum pressures for 235/45/17's on a Falcon. gb > I know that tyre pressures can create a lot of argument, my Ford > dealer reckons that 26psi is fine, my tyre dealer reckons 38psi, I've > been running 32psi. Any suggested optimum pressures for 235/45/17's > on a Falcon. > gb Example..... http://www.autoworld.co.za/autonews/viewart.asp?id=503 Tyre Make: Dunlop SP Sport 7000D Tyre Size: 235/45 17” Tyre Pressure: Front: 3 Bars Back: 3 Bars and this.... Originally posted by Rod: <STRONG> Eric, I was wondering why you use a higher psi than the recommended one? What benefits/drawbacks are there to this? I believe the higher tire pressure helps extend the life of the tread, but what disadvantages are there to this? Wouldn't this also increase the cars braking distance and reduce grip a bit? :confused:</STRONG> I started out with the high pressure (from the tire dealer). I dropped the pressure and the car didn't handle quite as well. So, I am running "racing" pressures -- and the tire will take 50/51 MAX PSI. I've been checking the tread, and it is wearing even. I would NOT run the tires at this pressure if I though I was going to rub the center off the tire. I checked with Toyo, and they said I could run 32 PSI minimum, but most of the people I talked to have moved their pressures up -- but not as much as I have. As far as the braking distance, etc being increased, I have not found this to be true. When I tried braking I got a "better" stop on a patch of street that I use for an occasional medium-speed antilock test. Sorry, I didn't put cones in the street, so I can't testify that the stopping distance is XX feet less. :) i wood realy run 40psi i am a tyer fitter So not enuf pressher will result in the tyer wering on the out side edges get sumone to chek the camber of your front wheels MAY BE move the front wheels forward a bit AE FORD BOYS i do and allways have dun this run a high pressher in my tyers wher the midle of the tyer out a bit then drop the pressures and start wering out the edges >> I know that tyre pressures can create a lot of argument, my Ford >> dealer reckons that 26psi is fine, my tyre dealer reckons 38psi, I've [quoted text clipped - 38 lines] > didn't put cones in the street, so I can't testify that the stopping > distance is XX feet less. :) >i wood realy run 40psi i am a tyer fitter So Thanks Scott and all those who offered a viewpoint. Since the 2 new tyres have been on I've played around with various pressures, on all 4, going as high as 3 bar all round and have now settled on 2.5 bar all round, the car was a boneshaker at 3. I'm trying to get the car "feeling" as good as it did with the 4 Kumho's on. I also discovered that, despite being adjusted at the tyre dealers the tyre pressures were all over the place (ie: 26psi, 29psi, 32psi & 34psi) after being fitted and telling me that the tyres were going to be set at 34psi. I'm not saying that my gauge is correct but at least my tyres are now all at the same reading. gb G I've had the same problem. I've had the front wheels aligned many times, I've had new shocks fitted and played around with tyre presures and nothing works. I suspect there is a major camber problem - if I look at current falcons with the wheels turned, the inside wheel shows a significantly greater positive (I think) camber than on my EF. Several people have suggested a camber kit is required so maybe that's the answer. I just don't know why I should have to cough up for this significant suspension design defect. D > Wow! I got a shock the other day when I went to get my wheels rotated (front > to rear etc) on removing the tyres I found that on the inside edge of the [quoted text clipped - 9 lines] > > GB D Here's a post I sent in January this year, 5-6k later my tyres were stuffed, I had thought that I might get 30k out of the tyres; ******************************** Last service, at 70,000 K's, my Ford dealer noted that he had to shim the front end to get correct readings on his front-end machine I told him that I had fitted a kit to my previous EB and was it the same problem, he told me that there is generally enough adjustment with shims on AU's and they don't usually need a kit unless there's been damage. GB ps: Mines a 2000 AU with sports suspension & 17" rims, I got 50k out of my original 16" tyres, I've yet to see how the 17's wear but with 20k on them I think maybe 30k max will be it. ******************************** GB ----- Original Message ----- From: "David Hales" <djelt.hales@telstra.com> Newsgroups: alt.ford.falcon Sent: Thursday, June 29, 2006 10:05 PM Subject: Re: Tyre wear > G > I've had the same problem. I've had the front wheels aligned many times, [quoted text clipped - 10 lines] > > D
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