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rmay635703 · 02-15-2017, 10:59 AM

Peak egt is most efficient only around WOT, below WOT leaner is usually more efficient.

Peak EGT is almost always around 15.5:1 (non ethanol gas) and 15:1 for ethanol blends

02-15-2017, 10:59 AM	#101 (permalink)
rmay635703 home of the odd vehicles Join Date: Jun 2008 Location: Somewhere in WI Posts: 3,891 Silver - '10 Chevy Cobalt XFE Thanks: 506 Thanked 868 Times in 654 Posts	Peak egt is most efficient only around WOT, below WOT leaner is usually more efficient. Peak EGT is almost always around 15.5:1 (non ethanol gas) and 15:1 for ethanol blends Last edited by rmay635703; 02-15-2017 at 02:02 PM..