Is No1 piston at TDC mate? Forget the stock pulley marks their shit, as long as you can get No1 piston as close to TDC as possible judging with a dial indicator forget what the pulley says bud. Providing No1 is at TDC, then leave the crank pulley as is, its not adjustable. You don't need to time the crank in, its just the cams.