I have these in the rear tires of my 78 Cutlass race car, 27 X 10.5 - 15 Hoosier Quick Time Pro on 15 X 8 Weld Prostars. No vibrations.
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Eric
1969 GTO - 461, turbo 400, Continental 13", 3.08 gears. - 12.59 e.t. @ 108.43 mph, 1.898 60'
1978 Oldsmobile Cutlass Supreme- 461, turbo 350, PTC 3500 converter, 9" 3:50 gears. = 11.39 e.t. @ 117.55 mph, 1.599 60' on E85
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