If it takes an impact you are doing it wrong. The pulley has a flange on it the same diam as the bolt hole. Dont push on it thinking you are pushing on the crank. I put a 3/8 extension in the bolthole and then push against it.
no im trying to just get that bolt in the middle off.
96 2 Door Tahoe 4wd / 5.3 Swap / CAI / Tune / Pacesetter LTs / Magnaflow / LED Dash / Novak A/C Bracket /