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Air Fuel Ratio at WOT
Posted: Sat May 02, 2015 9:35 pm
by 2000Silverbullet
So refresh my old memory on what the ratio should be to safely run at peak hp?
Stoich is 14.7 and I am seeing max of 10.8 at WOT using the methanol......11.5 under heavy throttle.
What do you others run?
Re: Air Fuel Ratio at WOT
Posted: Sun May 03, 2015 7:26 am
by rustyroger
A bit richer is normal for WOT operation, particularly with modern adulterated gas. Running lean with methanol can wreck an engine in short order.
Roger.
Re: Air Fuel Ratio at WOT
Posted: Mon May 04, 2015 9:46 pm
by bobtaz13
I was running 11.1 at WOT, before my last tune. Now it's 12.0 or so.
Re: Air Fuel Ratio at WOT
Posted: Mon May 04, 2015 10:48 pm
by 2000Silverbullet
Thanks, I was hoping you would chime in....
I must be a little richer due to the addition of methanol in my 50/50 cooling water mix.
Under heavy throttle the A/F is 11.5 - 12.0 but as soon as the juice starts to spray at 8000 hz it drops.
Are those phenolic intercooler plates still available?
Re: Air Fuel Ratio at WOT
Posted: Tue May 05, 2015 1:28 am
by nos4blood70
Looks spot on to me with Meth
Re: Air Fuel Ratio at WOT
Posted: Tue May 05, 2015 1:50 am
by bobtaz13
Re: Air Fuel Ratio at WOT
Posted: Fri Jun 05, 2015 4:46 pm
by redzmonte
looks about right to me.
Re: Air Fuel Ratio at WOT
Posted: Sun Jun 07, 2015 12:09 am
by xxdabroxx
what are you running for a wideband?
Re: Air Fuel Ratio at WOT
Posted: Sun Jun 07, 2015 1:38 pm
by 2000Silverbullet
Auto meter Pro comp