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Old 05-19-2004, 03:52 PM   #1
420WRX
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Default Balance or over pressure?

I recently bought some wheels n tires from a NASIOC member and while the guy said they were balanced, I have been getting a shudder at highway speeds that seems to be a balance issue.

I started to call around to find out who has a good tire machine, and after hearing how much it costs to get a 'force' balance ($24 x 4!) I decided to look for other possible problems like rocks in the treads or tire pressure..

The treads are too bald to hold rocks, so I checked the pressure and wow.. This guy has the fronts at 44 PSI (the max rating on the tire) and the rears at ~35 PSI!

To me this seems like a bad plan, but I dunno about AWD and whatnot..

The tires are 17" Yoko Avids .. Any ideas on what sorta pressures I should be running? I don't want to mark up the treads and take it for a lp on the track, I just want even wear for highway use with no friggen shudder..

Thanks!
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Old 05-19-2004, 04:19 PM   #2
steve
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I've gone with 38 rear and 39 front on my 18" wheels.
It's the best setting I've been able to find for my setup.

With that said, spend the cash to get the tires balanced properly. $24 is nothing compared to finding out the hard way that a tire is toast or something.
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Old 05-19-2004, 05:14 PM   #3
420WRX
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$24 per wheel.. $96 + Taxes ..

And these tires are so bald that they are almost illegal so it seems like a waste to re-balance them now..
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Old 05-19-2004, 05:26 PM   #4
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What kind of wheels? If they're not hubcentric, or even lacking the OEM steel lug nut seats, just dismounting and very carefully remounting them might smooth things out.

Also make sure to give the hub surface a whack with a brush to remove any dirt before mounting the wheels. Maybe you already did that -- it even says to do this in the owner's manual.
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Old 05-19-2004, 05:49 PM   #5
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Quote:
Originally posted by 420WRX
$24 per wheel.. $96 + Taxes ..

And these tires are so bald that they are almost illegal so it seems like a waste to re-balance them now..
What did you spend on the wheels?
What did you spend on the car?
What do you spend on mods?


Get your head out of your ass and set your priorities man!
If they're not safe, and the s h i t hits the fan, it's your ass on the line. Don't cut corners, and do it right if you're going to do it at all.
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Old 05-19-2004, 06:19 PM   #6
420WRX
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That's what I mean.. Better to buy new tires now vs. spending money on these. If I want I can put these back on for Auto-X.. From the look of the front tires I'd say it wouldn't be the first time anyways..

Anyone here have any beef against Goodyear Eagle F1 DS G3? Anyone tried them and found something better?

I'm looking for full out wet performance, wear/cost/comfort/snow traction are not a factor.
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Old 05-19-2004, 06:23 PM   #7
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If the tires have very different wear that could be one issue, if the wear is uneven that could be a nother issue. Out of balance...if the dude things 44psi is right I wouldn't be surprised if they are out of balance as well. For that size of tire between 31 and 36 would be better. I generally keep 32/34 respectively.
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Old 05-19-2004, 07:20 PM   #8
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you should also check to see if the rims require hub centric (sp?) rings , that was the case for me ,they wobbled when i hit 90kph.
so I got the rings 15 bux for 4 and it was all fixed, and varied tire pressures will cause that too
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Old 05-19-2004, 07:35 PM   #9
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my rims aren't hubcentric but they don't wobble...I guess it depends how they are put on.
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Old 05-20-2004, 02:20 PM   #10
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Quote:
Originally posted by 420WRX
I'm looking for full out wet performance, wear/cost/comfort/snow traction are not a factor.
I've always been a huge fan of the Toyo T1S tires. In the wet, there is nothing that can beat them. They're not bad in the dry either, comfy, quiet, and well wearing.
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Old 05-20-2004, 02:50 PM   #11
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Like he said /\ /\ /\ /\
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Old 05-20-2004, 04:40 PM   #12
420WRX
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Well from what I can tell BBS RKs are a direct bolt-on and should not require any extra hardware.

I lowered the front PSI to 40 and the slight shudder that was there is pretty much gone. I guess the tires were so over inflated that they were out-of-round?

I like the fact that my local tire shop sells Toyo, but just found some reviews that indicate the Goodyears are as good if not better, and should be alot less expensive? I don't mind paying more to get something better, but it has to be better.

Vehicle: 1995 Toyota Supra Turbo
Location: Mason, OH
Driving Style: Spirited
Miles driven on tires: 6,000 Driving Condition: Combined Highway/City
Reviewer's Overall Ratings: 9.75 out of 10
Review Submitted 2003-08-13

Awesome tires!!! Goodyear did their homework on these. The F1 GS-D3 are one of the best tires Ive driven on, regardless of price. They are very quiet for such a high performance tire and deliver extreme amount of grip, both wet and dry. My Supra currently has 500HP and these tires grab the pavement and allow for minimal amount of wheelspin off the line. And they deliver loads of cornering grip and predictiable feedback when pushed to their limits. I switched to the Goodyears from Toyo T1Ss and the difference is night and day. The Toyos are much noiser and have less grip and far less feedback when youre driving at 10/10ths. I was far more prone to spin the tail end while driving on Toyos. Tread pattern on the GS-D3 looks very aggresive and it works. Lots of comments of how mean the tread looks.

* The treads on the two tires look the same, so I gotta wonder how valid this review is..
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