Originally Posted by waldig
Running rich and unburnt fuel in exhaust burning off like the hot rods that have the flame throwers. Woody
Pig rich.
i think the same but how can fire go through catalyzers ?
and why it goes rich i put Sl 55 intake and 178 mm pulley and no tune or fuel map optimazed, i should not go rich. may it be my spark plugs that have 100 000 miles on it?