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A couple of thoughts:
The Hunter machine gave "good" and "bad" indications, which you explained in your post. I think you can trust the machine to be objective.
If your rims were measured with the tires still on them, then you didn't get a complete picture of the state of the wheels - just an indication. The best way to measure wheels is with the tires off and then measure exactly where the beads seat.
There is a "quirk" in the Hunter machine where it judges wheels to the same criteria as the tires and the assembly. This means that a horrible wheel will "pass". However, what's important is the assembly value. Just keep the wheel peculiarity in mind when trying to judge the wheels by themselves.
Hope this helps.
The original GM weights did not rust for four years, so I understand that something is wrong with the new weights. The wheels are aluminum, and I am afraid that the rusting steel will damage wheels. I asked the owner / manager of Firestone if it is OK, and what can be done. He answered that everything is normal, and, any case, they do not carry weights that do not rust.
Does it make sense to replace the weights at GM dealership by not rusting OEM ones?
1) There are about 5 different weight contours. To ensure that the weight never falls off, it is important that the proper weight be used. The wheel industry needs to do some standardization.
2) Coated weights are available for every configuarion. Bare steel can cause aluminum to corrode. The good news is that it takes a long time for this to get bad enough to cause a problem with the wheel. The bad news is that it takes so long that anyone who uses a uncoated weight will be able to deny responsibility.
I would suggest that anyone who finds a shop using uncoated weights on alloy wheels 1) tell them to stop right where they are - that you'll arrange to have the proper weights installed and 2) that you intend to take your business elsewhere FOREVER!!
Hope this helps.
Also says
"Every vehicle platform has a different sensitivity level and tolerance to RFV and imbalance. Known sensitive vehicles may require lower limits to resolve ride disturbance issues."
2014 Malibu 2LT, 2015 Cruze 2LT,
I have weights on LeSabre wheels with the little round holes around the perimeter, 1998. The weights have rusted. How do I tell if the weights have coated snapon parts? Are my wheels aluminum.
My newer LeSabre had chromed wheels. Is there the same problem for those wheels? Are they aluminum also?
2014 Malibu 2LT, 2015 Cruze 2LT,
Comments are deeply welcomed.
Or you could list them on a RX8 internet car club or maybe contact a local or regional RX8 club. Someone will probably want them for a second set or to replace damaged pieces.
I wouldn't get rid of them... You'll want to put them back on when you sell the car, or take a hit for not having them...
regards,
kyfdx
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Steve, Host
Steve, Host
Uh GM..you've been doing it for 30 years, so has everyone else! :P
2001 BMW 330ci/E46, 2008 BMW 335i conv/E93
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So, based on tons of accolades from tire rack & other sources, I replaced them with BFG Traction TAs, T rated . I was immediately impressed that the TAs had less rolling resistance, more noise, & it felt like every road imperfection was magnified! . After driving them for two weeks at various inflations, I took them back (discount tire has a 30 day ride satisfaction policy). Since I have had good experience with Kuhmo Ecsta HP4s on a Civic Si & A4 I opted for Kuhmo Solus HP-4s -- this is a newer version of the Ecsta HP4. . So far I have about 100 miles on Kuhmos. The ride is definitely better/smoother, but I think the road noise may the TAs.
For the things I can immediately evaluate (noise & ride) I am not convinced that either is better than the Geos - maybe the engineers at Subaru are not so dumb when it comes to tires after all!
I have considered taking the Kuhmos back & trying the Yoko Avid H4s or the Avid TZD, but it would cost another $40 for the mounting and balancing. A head to head test of the TZDs & HP4s at Tire Rack was pretty close to a toss up, with the TZDs being slightly better in comfort & the HP4s handling slightly better. Not sure I could discern the difference.
A tire commonly recommended for smooth quiet ride is the price Bridgestone Turanza LTs. I had these on a Caravan. They were fine tires, but I couldn't say they were super smooth & quiet either. I am wondering if I am not not expecting too much from a mere set of new tires -- or perhaps I simply cannot discern the nuiances! At any rate I have yet to experience the "transformation" that some describe with new rubber.. I think I will stick with the Kuhmos. Good luck on your search, just don't expect miracles! :confuse:
So: 1) the balance weights are not going to be the same amount from assembly to assembly 2) the balance weights are not going to be in the same position from assembly to assembly.
I find in interesting that both clip-on and stick-on weight were used. Is it possible that the clip-ons were used on the back side and the sticks-on the outside? If so, then it might be that this was done for appearance purposes, but more likely the outside rim flange won't accomodate clip-on weights.
Rotation: Since each vehicle's wheel position has its own unique wear characteristics, the best thing to do for even wear is to have a tire visit every position. This is accomplished using a "modified X" pattern ,where the drive tires stay on the same side and the free wheeling tires cross. And if you have a full size spare include it as well.
Hope this helps.
2014 Malibu 2LT, 2015 Cruze 2LT,
2) People that don't get to choose their tires (new car buyers) may tend to be more critical than someone that chose their tire and paid money for it.
3) A tire that is great for a Nissan Sentra in a 14" size, may be terrible on an Odyssey mini-van in a 16" size... I always try to match up the review with the type of car the reviewer drives.
I like the Tirerack reviews from their staff, better than the survey averages... They test the tires on the same car..
regards,
kyfdx
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Corvette Z06, 51/49 weight balance, front engine, rear wheel drive,
VW Jetta TDI, 60/40 weight balance, front engine, front wheel drive,
On the Corvette Z06 front tires are different sizes from the rears. (265-40-17 fronts, 295 -35-18s) If some things are not obvious let me know.
So with non directional tires, while the manual does not recommend it, one can rotate left to right, right to left, front to front, rear to rear only.
Also if one is willing to mount and dismount tires, one can also do inside to outside, outside to inside; again front to front rear to rear only.
One key observation is over the course of 56,000 miles I notice an EVER so SLIGHT faster left side wear (front and rear). So I did the non recommended swap left to right right to left, to even out left to right wear.
I researched and chose to get uni directional tires (V tread for clarity) so naturally the only swap I can now do is the mount/dismount tire, left to right, right to left. As a practical/economical issue- no rotation.
The Jetta TDI, shop manual hints at greater right front passenger wear. The OEM both in owners manual and shop manual recommends 4 tire, front to rear, rear to front rotation.The nexus for your situation is unidirectional tires will probably be front to rear rear to front rotation. So as you can see only two tires would see the right front passenger rotation. The best (as Capriracer has mentioned) is for ALL tires (5)to see the right front passenger position. Some anecdotal data indicates that if only two tires see the right front passenger side, the right side can wear 1/32 in faster than the left. If you are talking 100,000 miles that can equate to app 15,000 miles of faster wear. So to make a longer story shorter a 5 tire modified X rotation will greatly even out tire wear so you can get the most mileage given the structural conditions and of course how one tends to drive.
Best regards,
Highroller
Ruking 1, what do you exactly mean by your statement? Are you implying that i CAN rotate it frequently or rotating frequently is not a good thing to do? Just a little confused by your statement that's all
And by the way, the tire dressing i've used contain some hectane and acetone.
Frequently rotating tires is a good way make sure that even small amounts of misalignment don't add up over time to irregular wear. IMHO there is no such thing as rotating too much, except for the cost and amount of work put into the process.
2) Clip-on balance weights are designed for both steel and alloy rims. For steel rims there is generally one (1) flange contour - and a weight to match. For alloys, there are about 5 different contours - and weights to match those contours - AND some alloy rims CAN'T accommodate clip-on weights, so stick-ons are the only option. Based on your observations, it looks like your wheels are such that clip-ons can't be used on the outside, but the inside (where it doesn't show) was designed for clip-on weights - not unusual.
3) Yes, heat will adversely affect treadwear, but it is minor compared to misalignment and poor inflation practices.
BUT the largest factor in treadwear is what I call TPM (Turns per Mile). Most tire wear occurs in the cornering mode - so the more corners you turn and the harder you corner, the more the wear on your tires. So if you drive mostly in the city (and therefore make lots of turns) you won't get as good of treadwear compared to someone who drives in the country.
So to improve treadwear, drive "gently" - easy on the accerator and brakes, and easy on the steering.
Hope this helps.
Well, i have one last question regarding the balance weights
And just for kicks, what psi do you guys set for your tires? I always put mine at around 35 psi or (33-35psi).
I rotate at 7000 or a little longer. It does make a difference in tire wear IMHO.
I do some rotations myself when the wheels aren't going to need balancing... Often if a little imbalance is there when first rotated, it smooths out after 1000 miles or so.
2014 Malibu 2LT, 2015 Cruze 2LT,
If done properly, coated wheel weights should do minimal damage to alloy wheels. There are some exceptions:
1) If the rim is not set up with the proper contour, clip-on wheel weights will not fit properly.
2) The weight has to be matched to the rim flange contour. Ill fitting weights can wiggle and wear off the clearcoat, or worse fall off (more like fling off)
3) Do not use uncoated weights on alloy weights
"what psi do you guys set for your tires? I always put mine at around 35 psi or (33-35psi)."
Tire pressure is dependent on the load being carried. The place to look is on the vehicle placard, which is usually on a doorpost or in the glovebox. That pressure would apply for the tire size listed there. If you are using something different, then the pressure needs to be recalculated.
It's a good idea to use a bit more pressure than is listed on the placard - 3 to 5 psi. You get better fuel economy, better tire wear, better tire durability, better hydroplaning resistance, better snow traction and only give up a bit of ride harshness, and some impact resistance.
Hope this helps.
I agree with that where you mean the originals may be poorer than other types. OTOH I had great tires on an 89 Century. They gripped in rain as well as the Michelins I had used previously. And they seemed quieter. I bought a replacement set of the SAME tire. Out of round, out of balance even though they were well-balanced on the machine. Drove all the way to Ashville and back on them.
Went back to the store. They didn't even want to rebalance them. They offered me the choice of a different set of 4 or the Michelins I had cross-shopped when I picked the (Brand Name) tires. I took the Michelins. No problems.
The store knew those tires gave trouble. But the better ones were used for OEM parts, I think the ones that didn't make the specs went to the replacement market.
I've left off the brand name because it could be any tire company that gives you a crappy replacement because the good ones are going to the assembly plants.
2014 Malibu 2LT, 2015 Cruze 2LT,
Thanks,
Steve, Host
I asked the question,"Will the continue use of tire dressings on my tires cause cracks on the sidewalls or cause the longevity of my tires to decline much sooner than expected?"
Here's my response that i got:
" Thank you for your email and my apology for not have been able to get back with you sooner.
First of all, as long and the tire dressing is not petroleum base you are safe. However, we have done any study that proves that dressing a tire can harm the tire. There are chemical in the tire that leaks thru the rubber that helps prevent the tire from cracking; however, if one continues to use tire dressing, this action may clean off the chemical. Again, there no study that proves this scenario however, as long as the tire dressing is not petroleum base, tire dressing should be safe to apply on the tire."
From the statement above, I wasnt sure if the person either meant "we haven't done or we have done many". I think that person meant "we have done many studies that proves dresing a tire can harm."
Another statement i received just stated that "We recommend not using any tire dressings rather than using mild soap and water for the tires."
In conclusion, there has not been any large-scale studies that actually prove that a tire dressing can "eat out" tires. But, the scientists/engineers believe the petro chemicals from the tire dressings can react to the protected compounds in the rubber that can eventually lead the tire to become a defected product.
I think as long as there is no petro chemical, silicon, or alcohol contents in the tire dressing bottle that you bought, it should be ok? But that's a hard product to find especially from the shelves of many stores. I've been looking into the 303 product and i'm waiting for their response to see what chemicals they put into their stuff.
If anyone who has the 303, kindly share the info. to us?
My greatest fear is the fact that thousands of people who have bought tire dressings off the shelves that contain petro, silicon, and alcohol chemicals are doing themselves a bad favor by putting these stuff on their tires. They may or may not understand the great extent of the danger of using these stuff over and over. Many products like Armorall have advertised that their product will block out UV rays and help condition the tires, but even so, they use petroleum distillates in their bottles. As far as i know, many of the tire dressings on the shelves contain petro chemicals, silicon, and/or alcohol.
I've also heard that people with lifetime warranty on their tires may not be guranteed if they use tire dressings.
Well, what do some of you think? Comments are welcomed.
Best regards,
Highroller