do underdrive pulleys actually work??
yes another question, lol. i was wondering if the crank and the other pulley actually gain hp when they ar underdrive pulleys??
i was reading a add that said expect up to 15+ hp gain, i dunno about this so i thought i would ask, lol.
yes another question, lol. i was wondering if the crank and the other pulley actually gain hp when they ar underdrive pulleys??
i was reading a add that said expect up to 15+ hp gain, i dunno about this so i thought i would ask, lol.