FC used an impact wrench to do theirs. Andy used the wrench and starter method, which appears to be riskier.Sylvia ZX3 said:Then why didnt FC's car get ****ed up too? You're telling me we both got lucky ? If something was going to happen to my car when I installed my UDP's it definately would have. I must have taken the pulley on and off about 3 times. Say what ya want and show me what ya want, I'm gonna be stubborn with this.