You wont need either.
I run tubeless slicks with no screws , and go low 12's with mid 1.6 60's. I may spin the tire, but Im not sure. My buddy runs the same setup to high 11's and high 1.5x 60's.
Skyler
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2001 BMW M3 6spd
12.79@108
RIP
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1993 Notch w/ 98 4V 4.6 Fasttt...
-1989 Saleen Mustang #406-
12.32@109
-1999 Black Cobra Coupe-
JBA Shorties, Bassani Cat-X, Magnaflow 3", Pulleys, 85mm Pro-M, Ported Intake, Soild Rear w/ 4.30s, Tubular Front End, X2C arms, 13lb batt, few others.
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