Are these OK?
Powertrax 92-0788-3005 - Powertrax No-Slip Traction Systems - summitracing.com
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I was going to get one, but I got a good deal on an auburn that was used.
Ive heard good things about them....I dont know how strong they are
Ive have one in my 89' for over 5yrs and its seen everybit of a beating and has never given me a problem.
Only Posi Ive ever owened!:)
I use one on the '81. It works great but it is noisy (clicks) when you turn.
I've heard they make noise and shake a little in turns. I have not heard about them flying apart but I also don't know too many people running big power and weight through them.