H Speed Rated Tires

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Oct 24, 2007 | 08:08 AM

moose66

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Lexus Test Driver

Joined: Aug 2007

Posts: 1,084

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From: North Carolina

H Speed Rated Tires

Anybody ever heard of putting H speed rated tires on the SC? I know what the books says. . . . . .don't go lower than the speed rating on the stock tires. Would this be a mistake? What are the ramifications?

Oct 24, 2007 | 09:40 PM

rsa supra

Pole Position

Joined: Jan 2005

Posts: 370

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From: CA

You're not likely to go over the speed rating of the H rated tires, but most H rated tires are made with different structure than what the suspension is dialed in for.