I've use the Hoosier Quick Time Pro's, and the M/T ET Streets. Both were fine at first without tubes, but as the tires got to be a couple seasons old, started leaking down. They also moved just a tad on the rims, and required screws as well. For all practical purposes, they are a drag slick with a couple of grooves cut in them.
The M/T Drag radials don't move on the rims, or leak down. Don't last very long either, and they don't work nearly as well on cold or poorly prepared tracks as the non-radial version.
I may go back to the bias ply M/T ET Streets, they will get tubes, and rim screws from day one......Cliff
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https://cliffshighperformance.com/
73 Ventura, SOLD 455, 3740lbs, 11.30's at 120mph, 1977 Pontiac Q-jet, HO intake, HEI, 10" converter, 3.42 gears, DOT's, 7.20's at 96mph and still WAY under the roll bar rule. Best ET to date 7.18 at 97MPH (1/8th mile),
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