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Tires

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Comments

  • gusgus Member Posts: 254
    Just to clarify, is the brand of tires General Brand? And what leads you to believe that the problem is alignment?
  • pete5pete5 Member Posts: 2
    I just bought a 1991 gmc sonoma with a 4.3 motor would like to put larger tires on.The truck came stock with 215 65r15 does anyone know how big I can go with the stock 15" wheels.Has anyone had done this on this truck,will the handling change, was thinking of 225 75r15? any ideas.....
  • spokanespokane Member Posts: 514
    Pete, your standard tires have a diameter of 26.0" and the the 225/75R15's are 28.3".

    This change would increase your ground clearance about an inch. The 8.7% diameter difference will provide this amount of error in your speedometer and odometer. (If your speedometer is presently accurate at 60 MPH, this change means an indicated 60.0 MPH will be an actual speed of 65.2 MPH.) Braking effectiveness will also be reduced by 8.7%. Too, low-gear starts will be a little more sluggish. Handling will not improve but it may be OK with good shocks. If these factors are OK with you, then comes the question of clearance in the wheel wells. Sorry, I can't help on the clearance question.
  • thinmanthinman Member Posts: 18
    If you are considering changing tire size to improve handling..you want more rubber on the road...not taller tires. Taller tires with the same tread width won't do much more than screw up your speedometer and computer. Try using the 'one-up, one-down' rule of thumb. For every change up in tread width, go down a change in aspect ratio. For ex: Your stock tires are 215/65's. If you go to a 225 tread width..drop down to a 60% aspect ratio. Its not totally accurate..but will keep your speedometer in the ball park.

    Why am I harping about speedometer readings? Aside from the local authorities, ( I have an allergic reaction to blue lights..makes my wallet break out in a rash!)..on the more modern vechiles that have integrated computer systems that control both the engine and transmission as a single unit, one of the inputs is the speed reading from the tailshaft. Taller tires will fool the computer into thinking that the vehicle is going slower than it actually is and will constantly be trying to make the appropriate fuel/air mixture changes...spark advance changes...etc...resulting in you pressing harder on the gas...lowewr fuel mileage..etc. I own a '95 S-10 with the 4.3 and know the mileage on them sucks already! And the shift points will be off also.

    (Btw..I was told this by an ASE GM mechanic..so if I'm wrong..blame him..not me!)
  • meemeemeemee Member Posts: 8
    yes, the brand name is General. Made by Goodyear for the name General. Car had 7000 miles and the tires were worn out-showed up dramatically after a 1000 mile trip. Dealer says now that toe in was not set correctly at the factory--this after using tire warranty to get 4 new tires.
  • luvboxrsluvboxrs Member Posts: 47
    Now my dealer is telling me that I will always experience cupping on my 99 Durango due to open tread pattern on the tire combined with an front independent suspension vehicle. I think he's giving me a load of BS...but I can't seem to win this argument with him. I can't imagine every front indep suspension vehicle with open tread tires experiences cupping! I think they just don't want or can't address what's causing the cupping on my tires.
  • spokanespokane Member Posts: 514
    I don't know if Durangos have been problematic, luvboxers, but the independent front suspension has an inherent design advantage with respect to wheel alignment. The IFS configuration allows adjustment of toe and camber as well as some adjustment of caster on most vehicles. With a beam axle, caster is difficult to adjust and camber is often not adjustable at all. In this regard, your dealer has not provided you with good information. It's possible you have a defective suspension part or a bolt that's not holding securely...allowing some component to slip out of alignment within a few miles. Even more likely, the guy doing the alignment is underqualified or has inadequate equipment.

    The coarse-tread tires are more prone to cupping. Even so, with good alignment and good quality tires, cupping should not be noticeable until the tire tread is 45% to 60% used. Please note that after the cupping has started, even a good alignment may not be able to arrest further cupping.
  • soukupsoukup Member Posts: 4
    Thinman,
    The mechanic is correct on that point! Everything is linked to everything in this case!
    I've also heard that rule referred to as "plus 10, minus 5".
  • aloalo Member Posts: 35
    Any suggestions on a new set of tires for my 96 Toyota Avalon? The original tires are Dunlop SP4000 A/S. I am considering MXV4 Energy or D60A2.
  • ruskiruski Member Posts: 1,566
    Does anyone know how the P Zero Asimmetrico tires are in the winter?

    Thanks
  • cdg19cdg19 Member Posts: 15
    I don't know if this has been asked yet but I have a set of Bridgestoe Dueler APT's on my grand cherokee that have developed a brown circle around the edges of all 4 tires as well as a brown rim around the inside of the tires. I've tried everything to get it off, even scrubbed them with a brush. It really stands out. Has anyone else experienced this?
  • KCRamKCRam Member Posts: 3,516
    cdg,

    Do you use tire protectants? They will often turn brown as sun and dirt collect. I personally don't bother with them, and Armor All is well-known for turning brown over time. The opposite is also true - you may be getting brown rings where you do NOT have protectant applied.

    The best way to get them clean is warm water, and a fresh Brillo pad with plenty of soap. Scrub lightly and rinse thoroughly with a hose to prevent steel wool shavings from getting to the metal and creating rust. This will also get white letters very clean and bright. The sidewall surface should be smooth and consistent. If you have abrasions from scraping curbs, or cuts from potholes or debris, you should NOT use protectants.
  • DarknessDarkness Member Posts: 24
    I've used Z-16 (Zaino) Protectant and had no problems thus far, infact, it's lasted longer then most, where armor all lasts a week, or longer if your lucky, the Z-16 has been good for over a month now.It's not as shiney per say, but Armor also (quite often) will get spots if you do ANYTHING wrong with clreaning the tire, or make one part look shinier than another...
  • thinmanthinman Member Posts: 18
    Best way I've found so far to clean tires is Bon-Ami cleanser and a soft bristle brush. Bon-Ami has no abrasives so it won't scrub-up the tires as you clean them. And it seems to penetrate and get the ground in dirt out without dulling the surface of the tire.

    I use ArmorAll Low Lustre afterwards. Personaly don't care for the shiny look on tires, but like them looking very black. On 'virgin' tires I apply it thoroughly and let it soak in about an hour. Then give the tire a second coat which I buff out with a shop rag. Then after that has set over night, another coating buffed out again. The effect lasts about a month! Then about once a month thereafter, a light 'squirt' buffed out works fine. The tires are nice and black and dirt washes off easier. And a quick buff with a shop rag after washing gets them looking like new again.
  • rea98drea98d Member Posts: 982
    Te tires on my car are P235/75/R15. The "P" and "75" have nothing to do with wheel size. The R15 means I have 15 inch wheels. It all makes sense up to that point. But then some Genius decided the best way to do things was to measure width of the tread of the tire in millimeters (235), but treadwidth (for lack of a better term) on the wheels in inches. So what size wheels will I need to get for my P235/75/R15 tires? (After shelling out 500+ bucks for new wheels, I will NOT replace almost brand new tires!)
  • rdeschenerdeschene Member Posts: 331
    rea98d. The best bet is to tell the company your are ordering the wheels from what the tire size is. They should be able to find the suitable fit.
  • KCRamKCRam Member Posts: 3,516
    first some definitions:

    P - passenger car tire
    235 - section width in millimeters
    75 - aspect ratio - sidewall height is 75% of the section width
    R - radial
    15 - wheel diameter

    Your tires are designed for wheel widths between 6 and 8.5 inches - most commonly used is 6 inches on cars, and 7 on light trucks.
  • chang0027chang0027 Member Posts: 4
    Can anyone recommend an inexpensive (under 100) good air pump? I tried $20 portable one - very slow, noisy ...

    Thanks
  • rea98drea98d Member Posts: 982
    So I'll need to get 15x6 wheels? (I didn't realize the same tire could fit so many different sized wheels. Guess you learn something every day.)
  • moriyamahmoriyamah Member Posts: 1
    Can anyone recommend a good set of replacement tires for a 96 Camry V6 LE. It came equipped with some Bridgestone RE92? P205-65R15. Looking for some extra grip while retaining smooth and quiet ride.
  • KCRamKCRam Member Posts: 3,516
    moriyamah,
    You'd probably like the Bridgestone Turanza T in that size.

    coffeebiz,
    Check out the Bridgestone Dueler HT D684.

    You can find info on both of these tires at The Tire Rack.

    kcram
    Community Leader/Smart Shopper Conference
  • igloomasterigloomaster Member Posts: 249
    Does anyone know where I can get 14" Rims for my
    CX? They are the kind that do not require hub
    cabs; in fact - they use the good ole Honda logo
    center caps. The rims have a unique design: small
    circles stamped out, all around the entire
    diameter. I am wondering where I might get them
    (without having to go to the dealer and pay a
    ridiculous price). I want to use a set for snow
    tires.
    I can get the cheap black steel rims from
    aftermarket places, but they look like crap without
    hub caps, and I hate hub caps anyway.
    Thanks
  • ykm1397ykm1397 Member Posts: 4
    Does anyone know anything about Fulda tires? I own a 96 BMW 328i. A local tire dealer recommended Fulda tires as a replacement. Are these good tires?
  • HollenhorstHollenhorst Member Posts: 1
    I have a 95 Nissan Maxima SE that only has 13,000 miles on it and still has the original Goodyear tires on it. They still have pretty good tread on them. I just noticed that the max. inflation pressure on the tires is 44 psi. To get maximum performance out of them, is it best (and is it safe) to keep the tires inflated at or near this pressure? Up til now, I've been keeping them at the tried and true 32 psi level, and I haven't felt like the car grips in the corners like I thought it should.

    Thanks in advance
  • jsalangajsalanga Member Posts: 2
    Hello everyone,

    I have stock P195/55R15 Michelins on my Integra GS. I would like to replace them with the next possible size (maybe a P205/50R15). However, I don't know if this is okay. For those Integra enthusiasts out there, what do you suggest?

    Thanks,
    jsalanga
  • KCRamKCRam Member Posts: 3,516
    chummel,

    What's on the back of your Olds? Be very careful about mixing treads between front and rear on a front wheel drive car. The wrong combination will make major ride and handling differences. Your better bet is to replace all 4 if you're not getting the same brand and type as is currently on the rear.

    kcram
    Community Leader/Smart Shopper Conference
  • btroybtroy Member Posts: 92
    Igloomaster-
    I like the Honda wheels, too. You might try a junkyard for used wheels. Otherwise you can try the cheap steel aftermarket wheels that are available in white or chrome, or paint them silver like the Honda wheels. Good luck.
  • orange606orange606 Member Posts: 32
    If you go with 50 series tires without getting a bigger wheel your speedometer will not display the correct speed.
  • tomcivilettitomciviletti Member Posts: 207
    If you want a good performing tire at a good price, check out the Dunlop D60 A2.
  • rkcrawfrkcrawf Member Posts: 3
    I just purchased a pre-owned 318i. The rear tires
    are Michelin MX4's P185/65R15 88T. The front
    tires are a different Michelin make (X Radial Plus,
    I think), and are the same size except they say
    86T. The manual and door-jam sticker say nothing
    about 86T. Do I need to get 88T's for the front,
    especially if I rarely ride with a full load? Will
    I hurt my car if I don't. Please help, I fear I
    want get an unbiased answer from the dealer or tire
    place. Thanks!
  • brentg1brentg1 Member Posts: 10
    I have the Firestone FR680 tires on my 2000 Toyota Sienna LE. Has anybody driven these in rainy weather? They do not get good ratings in the survey at www.tirerack.com. However, we haven't had any significant rains here since I got the van (June 30). I am thinking about replacing them before winter sets in.
  • btroybtroy Member Posts: 92
    rkcrawf
    Your load rating difference may not be a problem as long as both ratings meet or exceed what is required for your vehicle (which they probably do). As long as that is the case, you don't have to worry about any tire failing from overloading.

    Mixing tires is a problem for another reason. Different tires have different handling characteristics (different levels of traction under various conditions). This can upset the car's delicate handling balance and lead to a loss of control due to increased oversteer under extreme or emergency handling conditions (fishtailing or spinning). Ideally you would have 4 tires of the same model with similar wear. At a minimun, you should have 4 tires of the same type (all touring tires or all performance tires, for example). Matching speed ratings is a good idea (which you have) because this is one indicator of the type of tire.
  • dmgdmg Member Posts: 3
    Anyone hear of or use Pirelli HP M+S tires. I saw them at the dealer who suggested them over the hard to get Pirelli P600 M+S. Tirerack doesn't seem to have them.
  • gusgus Member Posts: 254
    jrwong posted a url for an integra board in the above post. I hid it because it seemed to skew the formatting of the page a bit (this may be my own computer's fault). Anyhow, it's not hidden for any other reason than that. Please feel free to view his post by clicking on the blue "hidden post" message above.

    gus
    conference host
  • alextalext Member Posts: 63
    Anybody having problems getting into the tirerack website? I've been trying to access it for weeks and it just keeps coming up saying the server is unavailable.
  • bkassingbkassing Member Posts: 13
    I have a '98 323 BMW. The manual says don't rotate. Then it says if you want to do it every 3,000 (for economic reason). I've got 10K on my tires. Never rotated. Anybody know the plusses and minuses here?
  • moonkatmoonkat Member Posts: 265
    I'm planning the same type of upgrade for my 99 Ody. Mich says I can go from 215 65 R16 to 235 60 R16 as a plus 0 upgrade, and I'm planning on doing this.

    I've always upgraded one width (90 626 GT, 87 Z28, 95 GC AWD) and this is an accepted practice. The fact that the 2000 Accords come with 205s is an assurance of Mich's recommendation.

    By the way I'm narrowing it down to Energy MXV4 plus's and Pilot XGT V4s. How about you?
  • butch11butch11 Member Posts: 153
    If you live in snow country-do not go to a wider tire-really degrades your handling in snow. I did this with an accord and i turned it into a sled. Also put on a set of Michelin X-One 12K miles ago and they are great-much better handling, quieter and a vastly improved traction over the Michelin MXV or MXV4 "energy" tires.
  • ccotenjccotenj Member Posts: 610
    butch11 is dead on correct. skinnier is better in the snow... wide is bad...
  • ecnirp1ecnirp1 Member Posts: 13
    These tires are for sale at my local Costco. Does anyone have any information or experience with these tires.
  • gusgus Member Posts: 254
    Even though they're Michelins, they're inferior to the Michelins you'd buy at a tire shop. They tend to wear a little more quickly, and if you don't drive all that much, the sidewalls deteriorate a little more quickly than they would otherwise. This has been my experience.
  • srankin1srankin1 Member Posts: 1
    I bought a new Nissan Maxima two weeks ago. They have 16" Toyo Proxes A05 (P215/55R16) tires. The Max. Pressure rating on these tires is 35PSI. On a whim I checked the tire pressure on all four tires this morning. 24PSI. I have to assume they have all been that way since I left the dealer. I've put 750 miles on it. Do you think I've damaged the tires or rims?
  • jrct9454jrct9454 Member Posts: 2,363
    First, no, you won't have done any permanent harm in 750 miles. Don't worry.

    Second, the correct tire pressures ARE NOT to be found on the sidewall, but in your owner's manual and on a plate that you will find somewhere on the car, usually on the door sill or the glove box lid. For this car, I would bet that the recommended pressure is on the order of 32 psi. Anything you see on the sidewall of the tire refers to the MAXIMUM cold pressure the tire was designed for, NOT the car maker's design pressure for your car. I don't know for sure that's what you were saying with your 35 psi figure, but this is a common misunderstanding that unfortunately even some people in the business continue to perpetuate.
  • abell1abell1 Member Posts: 1
    ...should it be done cold or after driving?
  • bobs5bobs5 Member Posts: 557
    Check tire pressure when the tire is cold.
  • richard52richard52 Member Posts: 41
    I'm considering purchasing a y2k Maxima SE with P225/50VR17 all season performance tires. I travel from NJ to VT so am concerned about winter traction. Are winter tires available in this size and will they have good traction in the snow? What about the winter traction of the stock tires?
  • rs_pettyrs_petty Member Posts: 423
    To maximize your winter traction you may want to consider a full set of snow tires like the Blizzak or other makes. Tirerack.com has good info on this subject. What you would want is a full mounted set that you can switch over for winter (saves your stock rims from harsh road chemicals too). These would probably be a smaller diameter rim and less section width than your stock tires, but would vastly improve your winter traction. Your stock tires may be adequate in light snow/slush conditions, but probably marginal in most snowfalls over 3-4 inches.
  • rea98drea98d Member Posts: 982
    I have two places on one of my back tires that have me worried. The first is about an inch and a half long by a half inch wide, and is a little dent in the tire. The other is a bump about the size of my thumbnail. What causes these? Should I make sure my spare is ready to go? For the record, the tire is a P205-70-R15 firestone, which, hopefully, I will be able to ditch for a set of Michelins in the near future. (BTW, if it matters, the car is a 9 T-Bird, RWD).
  • vac23vac23 Member Posts: 118
    I might have been caused by hitting bumps, potholes too hard. That'll cause the tire to bulge
This discussion has been closed.