When I got my whipple new it used the stock truck crank pulley. Changing it to a different pulley changes the speed at which the acc and whipple turn. No need to do that unless you have the whipple that wont take smaller pulleys.
When I got my whipple new it used the stock truck crank pulley. Changing it to a different pulley changes the speed at which the acc and whipple turn. No need to do that unless you have the whipple that wont take smaller pulleys.
99RCSB Broke because I wasted thousands and thousands of dollars on my truck.