Tire wear pattern!

vividracing · 12-22-2011, 04:38 PM

If only the outside edge of your tires are worn excessively (rather than both edges), it's probably not an inflation issue. If inside and outside edges are worn excessively, then it's most likely inflation problems.

If you push the car to the limit on stock alignment, you'll see outer edge wear. Add some neg. camber and that'll help a bit.

TreeSemdyZee · 12-22-2011, 06:22 PM

I'm of the opinion that the channels on the outside of the Bridgestones aren't as deep as the other channels. Not based on any facts because I didn't check the depths when I got the car.

I just took mine off to put my winter tires on. The outside channels were between 1 and 2/32". The inner channels were between 6 and 7/32", while the inside edge of the tire is wearing pretty heavily, which is expected out of a lot of negative camber.

I also think the lower pressures are part of your issue. I ran lower than I should for awhile due to a bad air gauge. I measured 35lbs, but my TPMS light kept coming on.

I wouldn't worry about it. I've got more miles on mine that you do, but I would suggest running all of them at 35lbs cold.

12-22-2011, 04:38 PM	#1 (permalink)
vividracing The370Z.com Sponsor Join Date: Jun 2009 Location: Gilbert, AZ Age: 38 Posts: 7,306 Drives: 350Z,370Z,GTR Rep Power: 39	If only the outside edge of your tires are worn excessively (rather than both edges), it's probably not an inflation issue. If inside and outside edges are worn excessively, then it's most likely inflation problems. If you push the car to the limit on stock alignment, you'll see outer edge wear. Add some neg. camber and that'll help a bit. __________________ Rocky @ Vivid ♦ 480.966.3040 x236 ♦ Rocky@vividracing.com Email, PM, or call me directly for aggressive The370Z.com member pricing!!!

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12-22-2011, 06:22 PM	#2 (permalink)
TreeSemdyZee Premium Member Join Date: Dec 2009 Location: Kentuck-IANA Age: 60 Posts: 4,886 Drives: '09 370 & ‘14 Juke Rep Power: 27409	I'm of the opinion that the channels on the outside of the Bridgestones aren't as deep as the other channels. Not based on any facts because I didn't check the depths when I got the car. I just took mine off to put my winter tires on. The outside channels were between 1 and 2/32". The inner channels were between 6 and 7/32", while the inside edge of the tire is wearing pretty heavily, which is expected out of a lot of negative camber. I also think the lower pressures are part of your issue. I ran lower than I should for awhile due to a bad air gauge. I measured 35lbs, but my TPMS light kept coming on. I wouldn't worry about it. I've got more miles on mine that you do, but I would suggest running all of them at 35lbs cold.