Originally Posted by grip grip
I for one would say 11.5 is perfection at redline on a F/I engine. Rich, that's more like 10's.
the best afr at wot at the top of 2nd gear and 3rd gear would be 12.1 to 12.3
the 10's is rich,,, the high 11's is ok infact 11.7 to 11.9 would work just fine ,,, 13's your in trouble again this is at wot. jim