I have a 1997 4.3lx with the Thunderbolt ignition. Getting a great spark from the coil, but nothing at the plugs. Bought a new cap and rotor. still nothing. Thought maybe the spark looked good off the coil but wasn't hot enough to get through the distributor, so I replaced the coil. Still...
serial number is 0K030767. Boat comes right out of the water like it's gonna plane out, but if I let it hit 3k it dies. When I ease into the throttle it'll pull strong until 3k, then it will bounce off 3k just like a rev limiter. Stumble when it hits 3k but come right back as soon as the rpms...
I am not an Indmar man by any means, but here's what I got. Boat will turn over strong, but not try to start. first thing I found is the fuel pump was not running and I had no pressure at the fuel rail. Wired it so that the pump will run when the key is on. No intention on leaving it like that...