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simply amazing... tires worn out already

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I can't believe it! I just replaced my rears(stock yokos) about 1700miles ago and I'm almost down to the wear bar. I have about 1-2mm left before I'm going to have to replace my rears already. At this rate, I'd be lucky if I can even get 2500miles on my yokos. I don't drive my car hard(no track driving), nor take corners hard. I rev frequently to redline, but rarely launch my car hard enough to spin the tires or take corners hard enough to make the tires squeal. This is my second set of rears and my first set lasted me 5500mi before I replaced them. I probably could've gone 6k miles before I was down the wear bar.

Anybody think this is odd? I've heard of stock rears lasting as little as 4000miles, but 2500mi is simply amazing. I really don't want to but if I'm going to have to replace the rears every ~3k miles, I'm seriously thinking about going w/ non-OEM tires.
 
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Yes, that sounds VERY wrong. You need to get your car checked out.

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I haven't done anything to the car other than replacing the tires. Can replacing the tires affect or change the alignment that much?
 

weiku

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No, but your alignment should be checked out regardless if you are getting such horrid tire wear, which is well beyond the 4500-5000 miles people typically bitch about.

So we understand, your car is not lowered at all, right?

Also, do you keep a good eye on your tire pressure? With OEM tires, run the OEM tire pressures, and not the "typical" 32-32psi all around.

Andie

[This message has been edited by weiku (edited 10 May 2001).]
 
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Originally posted by weiku:
So we understand, your car is not lowered at all, right?

That's correct. My NSX(2000-T) is bone stock. The psi on my tires were at 32 all around for about 500 miles after I had replaced my rears, but even after the psi was adjusted to the correct 34/40 psi, the treadwear has been horrible. I'll get my alignment checked out as soon as I replace my rears.

Should I get my alignment checked from the dealership or go to an alignment specialist?
 
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Should I get my alignment checked from the dealership or go to an alignment specialist?

I would do it at the dealer, since they should be familiar with the NSX alignment process AND if there are any problems they can diagnose and fix them under warranty at the same time. $.02
 
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Hey David I am a teenager, why would he be worried about him having teenagers? I got 7,000 miles off my rear tires.
smile.gif
By the way guys me and a friend who works at a machining shop here in Miami are trying to make a camber kit for the NSX. We almost have it ready to install. It will be ajustable + or - 3 degrees. Wish me luck, this could mean twice the mileage (I hope) of the tires.
 
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Originally posted by David:
By the way, you don't have any teenage kids, do you? : )

Other than my wife(who doesn't drive stick), our dog, and myself, I guess I'd be the only kid in the house
wink.gif

So I guess we could rule out the teenager-who-borrows-the-car-and-drives-the-snot-out-of-it-to-show-off-to-friends-theory, eh?

Thanks for all the help everybody. One last question, due to the alignment and camber settings, which side of my rears should wear out faster? Inside of the tires(side nearest to the engine) or outside of the tires? My last and current rear tires both wore down on the outside first.
 

Lud

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Based on your description of everything, your alignment is way out of whack.

With everything OEM (including pressure) and the kind of easy driving you describe, you will typically see the middle of the rears wear fastest because 40PSI on the rears is a bit high for "easy" street driving, and the inside edge a bit more than the outside edge due to the camber.

For the fronts under the same circumstances, you'll see the inside edge wear much faster than the rest of the tire due to camber. You have to either get under the car or turn the steering wheel to full lock to inspect for this wear because it's only the inside inch or two, and it can be totally bald when the part normally visible has lots of tread left.

It sounds like your rears probably have too much toe (resulting in them not lasting very long) and incorrect camber. In fact based on your description, it is probably off enough that you can see it if you look at it side-by-side with another NSX that has a known-good alignment.

Even though you have not done anything to the car, that doesn't mean the alignment is correct. I've heard of several people who had NSXs delivered new with alignment out of spec. Honda should add it to the PDI checklist but dealers would probably complain too much.
 
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Originally posted by Lud:
...With everything OEM (including pressure) and the kind of easy driving you describe, you will typically see the middle of the rears wear fastest because 40PSI on the rears is a bit high for "easy" street driving...

With my new NSX, what pressures should I be at to maximize tire life? I'm a very easy street drive, looking for maximum comfort.

The door sticker says 33/40.
Thanks
 
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Well, I just ordered a new set of rears through discount tire co. and they told me that it will take 5-7 working days. I checked my tires this morning and I'm down to the wear bar. Anybody know how long I have once it's down to the wear bar? At the rate my tires have been wearing(it's my daily driver), I don't think I'm even going to last 5-7 working days. GOOGLIE, MOOGLIE!!

I just talked with them and they said that it's being ordered from the factory. It's going to cost $65/tire for the next day delivery so I should have it on Friday. For $130, I guess it's better to be safe than sorry.

I got 2000miles on my Yokos. Do I qualify for the Fastest-Wear-on-OEM-Tires-Award?

[This message has been edited by johndoh (edited 16 May 2001).]
 
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I can't believe the tires are already gone. I have oem Yokos on my car and have almost 6k on my rears and I drive the car hard and fast and have been expecting to replace them but they are still good
 

Edo

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Thanks for all the help everybody. One last question, due to the alignment and camber settings, which side of my rears should wear out faster? Inside of the tires(side nearest to the engine) or outside of the tires? My last and current rear tires both wore down on the outside first. [/B][/QUOTE]

Shouldnt the inside edge wear out MUCH faster than the outside edge due to the 3.0 degree's of Negative Camber from the factory?
If the outside edge is wearing faster that would indicate some sort of POSITIVE camber wouldnt it?
Even if you are driving SUPER aggressive (which the factory settings are set for) you're tires should wear fairly evenly across the surface right?

Something would have to be terribly out of whack for this to happen as far as I know.
 
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Even if you are driving SUPER aggressive (which the factory settings are set for) you're tires should wear fairly evenly across the surface right?

Right.

Something would have to be terribly out of whack for this to happen as far as I know.

You may want to get an alignment.
 
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Anybody know how long I have once it's down to the wear bar?

Street tires come with 10/32" of tread. The wear bars show at 2/32" of tread.

According to the Tire Rack's website, "2/32 of an inch of remaining tread depth which is the minimum allowable legal tread depth for most states and has been adopted by the tire manufacturer's as when tires are "worn out"." Technically, this means that once you're down to the wear bars, you cannot legally drive on the tires.

As a practical matter, you might be able to drive another hundred miles or more, but you certainly wouldn't want to go on any long-distance trips, and you would want to check the tires frequently. You also might not want to drive in rain, even BEFORE you reach the tread bars, since the OEM tires are notoriously poor in rain when the tread is worn.
 
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The tires came in this morning(well worth the $130 for next-day-delivery) and got them mounted and balanced. I've got an appointment with the dealership tomorrow morning. The dealership said they'll need half the day to check out the alignment. I guess I'll just have to wait to see what the dealership finds out tomorrow. Since I've never had an alignment done before, is there anything specific I should ask or request other than getting a copy of the alignment report? Is it possible to get a report before and after the alignment?

I'm just hoping that all it is the alignment.
 
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I'm just venting here, so my apologies if this seems long.

Well, I dropped off the NSX today at Acura of Bellevue and all I have to say is "what a bunch of fucking morons!!" At the service counter, I was telling the "service consultant" about an appointment to get an alignment done due to a very shortened life span on my rears. Told him I got almost exactly 2000 miles on OEM yokos and that I thought the alignment was out of wack. He drives my car over some pressure plates which has some sort of digital meter attached to it. Afterwards, he tells me that if my wheels were off alignment, it would've registered because this meter is very very accurate. The only way to get more accurate readying is by connecting it up to an alignment machine that uses lasers to get pin-point accuracy.

The guy starts telling me that if the alignment is off, it wouldn't have any impact to the wear on the rear tires and tries to dissuade me from getting an alignment. The only way to increase treadlife on the rears is to "detune the supension and one guy had it done and he was able to get 35,000miles on his NSX." After this BS, he and I get into a 15minute discussion on the alignment, treadlife, tires, suspension, and so forth. He tells me that 2000 miles is not uncommon. So I tell him that I was able to get 5500 miles on my last tires and I drove much less aggressively on the 2nd set. He calls in a technician and they both try to tell me that short lifespan on these tires are normal. I tell him that's BS. If there's nothing wrong with my car, there's no way I can go from 5500 miles to 2000 miles with less aggressive driving than my first set of tires.

I start to get really pissed off there and I am getting ready to walk out and thinking about scheduling an appointment w/a different dealership. Finally, the Service Manager comes, after the Service Consultant explains the situation. Then they both start to tell me that alignment isn't covered under warranty, blah blah blah. I tell the Service Manager that I don't care about the cost of the alignment. I wanted my car looked at and if there's anything wrong, I want it fixed so that I don't have to buy new tires every 2000 miles.

Now the car won't be ready for 6 hours and I'm regretting leaving my car in the hands of these incompetent idiots.
 
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JohnDoh, I feel the same. I took my car in several days ago about an aspirator buzzy sound and a sticky gas pedal. All I got was "the tech didn't hear anything and the pedal feels like butter." The tech is deaf and is butter. On top of that they failed to realized one of my wheel was off and the rear tires were bold. What a bunch of morons? I agreed. I should have listened to Chris and took the car to Lynwood.
 
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an aspirator buzzy sound

the tech didn't hear anything


This is a common problem (the buzzing sound, not the deaf tech). Read about the buzzing sound from the console in http://www.nsxprime.com/FAQ/Troubleshooting/noise.htm

However, the "interim" cures described there, like blowing compressed air into the console opening, don't really hold up very long. You'll need a new aspirator fan ($289 list).

[This message has been edited by FAQ Nazi (edited 18 May 2001).]
 
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Take your car to an independent specialist. My dealer in Fairfield, CA doesn't even have an alignment machine!! I found a new Hunter machine at this Good Year place (just built) and Dale did a superb job with my alignment. I got 9,700 miles out of my first rear set and now my front and rears seem to be doing even better without any noticeable changes in the handling. I changed the toe in both the front and rear of the car. I can only feel the difference over 120 mph - the car is just a little less stable and composed. If you want the full specs I'm using please private me.
 

Lud

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Yikes, find a different place to have the car serviced ASAP.

Yes, you can and should (especially in this case!) get a printout of the before/after alignment settings.
 
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