I'm confident that Seafoam for the upper end and synthetic oil for the lower end will keep us and our marine diesels chugging along forever. I'm not so sure though if a FP genset would benefit.
Folks that simply wish to remove carbon from the valves and cylinder head from a gas or diesel can do it easily the old way.
Get a bug sprayer and fill it with water , idle the warm engine at about 1500RPM or so and spray away till the engine stumbles and keep it up for 1/4 hour.
IF stuck rings are the problem , the engine will need the treatment under higher power .
AN oil change is required as the steam created will break loose loads of carbon chunks , not dissolve it .
I'm curious to see who reads different threads. No gasoline whiffs yet.
I'm confident that Seafoam for the upper end and synthetic oil for the lower end will keep us and our marine diesels chugging along forever. I'm not so sure though if a FP genset would benefit.