Hello all, having problems with a 1980 merc 454 (330)hp at end of last season engine quit on me (at about 1500 rpm) and couldnt get to refire. i was already having issue with rochester carb draining out if it sat at dock to long so givin the age etc.. replaced with new carb this spring but still no luck. As long as your turning key engine fires and is attempting to run as soon as you let off key thats it nothing. I dont think its a fuel issue carb is spraying gas, fuel pump and line have all been replaced prior to this issue. As for the igniton with cap off points are sparking while turning over and you cant turn rotor by hand so i dont think i sheared the pin on the distrib gear or anything. Is it possible distributor isnt advancing ? it is the original. Thanks in advance for your help !