I have Chrysler 75 hp mod#757HC someone please explain step by step how to set timming. My manual is not clear to me. TDC mark on flywheel set to 0 mark on timming guage on engine . Then set cruved line on dtstributor pulley to match cruved edge of flywheel and put belt on. Thats what I get from manual. What am I doing wrong?<br />And how do you set it so it fires 32 degrees before TDC. Please Help