CLASS RACER FORUM - View Single Post - Tires: Rotating weight vs radial construction

Jeff Kempton · 04-22-2012, 01:26 PM

From the NHRA 2012 Rulebook:

"Section 10A, page 9 Stock Cars

TIRES
Street-type or drag slick tires, maximum 9-inch tread width. Tires
may not be altered from tire manufacturer’s original design or
pattern. Size of tire (new) must not exceed 9-inch wide x 30-inch
diameter (94-inch circumference). Tires may not exceed 10 inches
wide regardless of wear. Front tires must have a full street pattern
and must measure a minimum of 4 1/2 inches on ground. Tire tread
may not extend outside fender; maximum clearance between side
wall and body is 3 inches. Slicks permitted on FWD cars. All-wheeldrive
vehicles must have treaded front tires. Recapped/retreaded
tires prohibited. See General Regulations 5:1."

04-22-2012, 01:26 PM	#8
Jeff Kempton Member Join Date: Apr 2004 Location: Halifax, Nova Scotia, Canada Posts: 238 Likes: 1,043 Liked 66 Times in 30 Posts	Re: Tires: Rotating weight vs radial construction From the NHRA 2012 Rulebook: "Section 10A, page 9 Stock Cars TIRES Street-type or drag slick tires, maximum 9-inch tread width. Tires may not be altered from tire manufacturer’s original design or pattern. Size of tire (new) must not exceed 9-inch wide x 30-inch diameter (94-inch circumference). Tires may not exceed 10 inches wide regardless of wear. Front tires must have a full street pattern and must measure a minimum of 4 1/2 inches on ground. Tire tread may not extend outside fender; maximum clearance between side wall and body is 3 inches. Slicks permitted on FWD cars. All-wheeldrive vehicles must have treaded front tires. Recapped/retreaded tires prohibited. See General Regulations 5:1." Last edited by Jeff Kempton; 04-22-2012 at 01:30 PM.