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Originally Posted by Tailfin Yeah I realize they were for N*...does it really build up THAT much more carbon than other engines though? It just seemed like it never got all of it out...as I can add another can and still get more smoke. I'm thinking I might try the isopropyl method...or at least do that after the water method...would ensure getting the water out. |
The smoke is not carbon. It is the solvents evaporating under the heat of the combustion chamber.
Leaving the solvent/vapors inside overnight is what insures that you dissolve the most carbon.
I think the situation with the Northstar, is that it was designed to be a high performance engine, and it is mostly underutilized in that role. So either it is more sensitive to the carbon or it builds more due to it's underuse.