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#9
Re: e85 what fuel ratio
shanepickett
Posted on: 2014/6/21 6:01
right boys ,you all seam to be all over the shop . I didn't mention I have a15 turbo motor on boost an i'am running a AFT at the moment at 11.5 an I thought I ask what other boys are running if you can run it leaner.
 
#8
Re: e85 what fuel ratio
ddgonzal
Posted on: 2014/6/21 4:02
wideband O2 sensor
A reading of 1.0 lambda is stoich for petrol A reading of 1.0 lambda is stoich for E85 The output of a gauge or a dyno will be for petrol unless it is switched. Stoich is 14.7 AFR for petrol but 9.8 for E85 For maximum power is should be much much richer
#7
Re: e85 what fuel ratio
ddgonzal
Posted on: 2014/6/21 3:57
The AFR meter will read the gasoline AFR if its read by a wideband sensor.
Actual AFR of 12:1 is extremely lean for E85.
#6
Re: e85 what fuel ratio
benny
Posted on: 2014/6/21 0:31
Just looking over some of my dyno data.
On twin weber carbs we got the AFR between 11.3 to 12.9:1 across the RPM range. cheers benny
#5
Re: e85 what fuel ratio
bobthebuilder
Posted on: 2014/6/21 0:25
Good question. You beat me to it.
Also plugs need to be hotter and more timing ???
#1
e85 what fuel ratio
shanepickett
Posted on: 2014/6/20 14:01
I was just wondering what fuel ratio people were running in there cars on e85 an do you have numbers , as I,am getting my car turn next week on e85 pump fuel. I,am just open to peoples thoughts
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