This makes logical sense to what we are seeing. Basically when I took the old plugs out, they had been gapped, (a huge no-no),
thanks Johnny will check that out
Turn on your running lights when you operate the boat, and it might be just enough load to keep the voltage within a reasonable range.
Hi there I recently bought a new boat that has the 570a motor and a 290dp-a outdrive with suspension fork geometry and rev latch from 1991 my concern
In fact maybe easiest way would be to move the whole thunderbolt IV V8 -22 ignition system from the old merc to the PCM engine?