how do these plugs look?
 

502 efi 22hours

Re: how do these plugs look?
 

They look good to me.... insulator is the right color... a little sooty on the base...which tells me that it isn't lean... maybe a little on the rich .. which is ok.... I'd put in a fresh set and you are good to go... :)

Re: how do these plugs look?
 

transom has a slight film of soot, new plugs are in they may be a little sooty
from when the T stat went bad and stayed open about 11 hours ago

so far at 9 hours I got a ect cold temp code whiched turned out to be a bad T stat
and at 22 hours I got a High temp low oil pressure stored code
which looks like it was the impeller and had 3 blades missing a small piece
which in turn burned up one of my exhuast hoses. Thats one of the reasons I pulled the plugs to make sure nothing was running lean.
I also put a diff piece of hose on the stainless marine riser it looked kinked

Re: how do these plugs look?
 

Go with NGK's. They idle better.

Re: how do these plugs look?
 

Looking good, the black soot is normal and to me doesn't even look particularly rich. If you want to get pickey I can say that that was a horrible job of indexing but you probably didn't bother :D:D:D

Roby