H Vs. V rated, looking for help
06-13-2003, 02:39 AM
#1
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H Vs. V rated, looking for help
Local tire village has screwed me over.
I ordered two stock WRX tires, and gave them the name and size. And said specifically OEM.
They put Potenza 92 205/55/16 but they were H rated, when my rear tires are V rated.
So what's the big deal.
Well the tread is the same on both tires and your only looking at a max speed difference of 130 vs. 144 or something close to that. Max pressure for H rated was 35 PSI vs. V rated which is 44 PSI.
So are V rated tires a softer rubber. What's the difference?
The manual has you run a stock car something like 32 psi up front, and 29 in the rear. Which is within the parameters of the H rated tires, both of which I have up front.
I dunno I'm pissed because I stated OEM and I didn't get it. I need to know if these H rated are going to wear faster or what everyone suggests I do.
P.S. This place says for me to upgrade to V rated tires would cost me 120 dollars more. Which makes me reconsider fire bombs, cause that's just crazy.
I ordered two stock WRX tires, and gave them the name and size. And said specifically OEM.
They put Potenza 92 205/55/16 but they were H rated, when my rear tires are V rated.
So what's the big deal.
Well the tread is the same on both tires and your only looking at a max speed difference of 130 vs. 144 or something close to that. Max pressure for H rated was 35 PSI vs. V rated which is 44 PSI.
So are V rated tires a softer rubber. What's the difference?
The manual has you run a stock car something like 32 psi up front, and 29 in the rear. Which is within the parameters of the H rated tires, both of which I have up front.
I dunno I'm pissed because I stated OEM and I didn't get it. I need to know if these H rated are going to wear faster or what everyone suggests I do.
P.S. This place says for me to upgrade to V rated tires would cost me 120 dollars more. Which makes me reconsider fire bombs, cause that's just crazy.
06-13-2003, 07:10 AM
#2
Registered User
Join Date: Mar 2003
Location: Warsaw, Indiana
Posts: 681
Car Info: 02 WRX Wagon White
Bundy,
Matching speed ratings/tire types is done to preserve the balance built into the car. With different compounds and different adhesion levels front to rear, understeer and oversteer balances will be affected.
Now, in everyday driving, I wouldn't anticipate an issue. The tires are "similar" in construction and compound. The difference would be felt at the limit; which is reached during cornering. emergency lane change maneuvers, etc.
I always recommend against mixing tires, but it's done very often. Just be careful around 'the limit,' and keep it under 130.
Matching speed ratings/tire types is done to preserve the balance built into the car. With different compounds and different adhesion levels front to rear, understeer and oversteer balances will be affected.
Now, in everyday driving, I wouldn't anticipate an issue. The tires are "similar" in construction and compound. The difference would be felt at the limit; which is reached during cornering. emergency lane change maneuvers, etc.
I always recommend against mixing tires, but it's done very often. Just be careful around 'the limit,' and keep it under 130.
06-16-2003, 11:09 PM
#3
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iTrader: (3)
Join Date: Nov 2002
Location: Santa Rosa
Posts: 2,706
Car Info: MY00RS25
Go back to the place you got them and smack them around for giving incorrect tires. I would really ***** and complain. Obviously the tools that work at the shop don't know not to mix differently rated tires. Have them put on the correct tires for no extra charge or get your money back. I would suggest staying away from that shop.
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