Underdrive Pulleys (worth Doing?)
#5
I am still looking for best deal Quality/price. Do you need all 4 or just the main one. Of course having them all the same color is a nice bling, bling. Any recommendations of manufacturer?
#10
I've had the pulleys since '93 or so. Tested and kept the prototypes from Rotary Performance.
Negligible to no hp gain. Main benefit is when running the car on-track or at high rpm for extended periods of time. Reduces/eliminates cavitation in the cooling system due to turning of pump slower.
Negligible to no hp gain. Main benefit is when running the car on-track or at high rpm for extended periods of time. Reduces/eliminates cavitation in the cooling system due to turning of pump slower.