Re: 3.0 omc runs great then dies
i had the same issues till today with mine, same thing, 1988 Bayliner Capri , with a 3.0L GM motor, i was haven a issue with 2 items, the gap in the distributer was set to TDC setting giving me a .050 gap as it rotated, i adjusted it to DCB (Dead Center Bottum) , heck i will break it down, just under the rotor you look at the shaft, there will be 4 high points and 4 flat areas, it was adjusted to .019 gap on the high peak which spit me into a .050 on the rotatation, i redid it to booook specs of .019 on the lower FLAT sections, and everything was fine, i was also running HOT on the coil, lol now this is the funny part, i went out back to my brothers house and we pulled the coil off a 351 Ford Motor, i was just playing around being old school mech, and i replaced that little thing with the ford one, and OMG, it worked, it stays cool, and i played well over 8 hours on the lake today, so maybe give that a shot, i know some people would say YOUR NUTS, but i had to try it and by golly it worked..
