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Cooper Cobra Tires - Sticky Situation

Do Drag Radials Really Work?

By Mike Petralia
Cooper Cobra Tires Temp Gun
We used a Raytek infrared temp gun to monitor tire temps after the burnouts. The goal here was not to see how hot we could get the tires. Rather, we wanted to keep temps consistently between 110-120 degrees.
Cooper Cobra Tires Temp Gun
We used a Raytek infrared temp gun to monitor tire temps after the burnouts. The goal here
Cobra Cobra BFG BFG Nitto Nitto
1 2 1 2 1 2
60' 2.242 2.228 2.240 2.193* 2.304 2.196
330' 6.140 6.265 6.152 6.106 6.192 6.095*
e.t. 9.376 9.528 9.359 9.283 9.405 9.253*
mph 75.67 74.76 76.17 77.10 76.07 77.89*
psi 35 35 20 17 20 17
AVERAGES
Cobra BFG Nitto
60’ 2.235 2.216* 2.25
330’ 6.202 6.129* 6.143
e.t. 9.452 9.321* 9.329
mph 75.22 76.64 76.98*
* indicates best runs

Tire Specs
BFG Comp TA Drag Radial
Size: 275/60R-15
Tread depth: 1.875, (1.900 as measured)
Diameter: 28"
Tread width: 8.9"
Section width: 11"

Nitto NT555R
Size: 275/60R-15
Tread depth: 1.968, (2.055 as measured)
Diameter: 27.75"
Tread width: 8.5"
Section width: 11"

SOURCES
BFGOODRICH/MICHELIN TIRES
One Parkway South, Dept. SC
Greenville
SC  29615
RAYTEK
1201 Shaffer Rd., Dept. SC
Santa Cruz
CA  95060
Irwindale Speedway
13300 E. Live Oak Ave
Irwindale
CA  91706
Weld Racing Wheels
933 Mulberry Street
Kansas City
MO  64101
816-421-8040
Nitto Tires
6261 Katella Ave., Dept. MMFF
Suite 2C
Cypress
CA  90630
WESTERN TIRE
801 S. Victory Blvd., Dept. SC
Burbank
CA  91502
By Mike Petralia
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