Originally Posted by
grip grip
What if it's fat until 5K, then leans out after that to 16 to 1? My point is, soot on the pipes confirms it's fat at some point, that's all. Just food for thought.
Absolutely! Could not have been said more clearely. Don't make the mistake the whole RPM range is rich (fat), unless you can afford it (engine). This much I do know.