Tuning for gas milage
#1
Tuning for gas milage
i really hope im not asking something thats already here, but, how would i go about tuning for better gas milage?
I use a AEM F/IC, and a AEM UEGO.
so really, is it as easy as going into the fuel maps and decreasing the fuel? out of boost the air/fuel ratios are in the 15's.
What would be the most lean air/fuel ratios i should go?
and is there any potential risks by doing this?
Any help is appreciated, or if anyone knows of a site or a post that i couldnt find, please tell me about it
I use a AEM F/IC, and a AEM UEGO.
so really, is it as easy as going into the fuel maps and decreasing the fuel? out of boost the air/fuel ratios are in the 15's.
What would be the most lean air/fuel ratios i should go?
and is there any potential risks by doing this?
Any help is appreciated, or if anyone knows of a site or a post that i couldnt find, please tell me about it
#2
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leaning the mix out will raise EGTs so make sure you have a good timing map (how you'll do it without an EGT gauge is anyone's guess). probably you'll be ok though.
some emissions info you should be aware of: 14.7 AFR is stoich for gas which means not only is it fully combusting the fuel, it is limiting the amount of other things produced (NOx, HC, CO, etc). So as you increase AFR beyond 15 or so, the combustion temp goes up and the excess air (Nitrogen + Oxygen mostly) gets turned into NOx.
NOx will end up in the atmosphere as smog and acid rain eventually, so bear that in mind next time you stay inside on a spare-the-air day or your paint goes to ****.
That said, some people run up to high 16s but the image below seems to suggest around 16.2 is best economy.
some emissions info you should be aware of: 14.7 AFR is stoich for gas which means not only is it fully combusting the fuel, it is limiting the amount of other things produced (NOx, HC, CO, etc). So as you increase AFR beyond 15 or so, the combustion temp goes up and the excess air (Nitrogen + Oxygen mostly) gets turned into NOx.
NOx will end up in the atmosphere as smog and acid rain eventually, so bear that in mind next time you stay inside on a spare-the-air day or your paint goes to ****.
That said, some people run up to high 16s but the image below seems to suggest around 16.2 is best economy.
#3
leaning the mix out will raise EGTs so make sure you have a good timing map (how you'll do it without an EGT gauge is anyone's guess). probably you'll be ok though.
some emissions info you should be aware of: 14.7 AFR is stoich for gas which means not only is it fully combusting the fuel, it is limiting the amount of other things produced (NOx, HC, CO, etc). So as you increase AFR beyond 15 or so, the combustion temp goes up and the excess air (Nitrogen + Oxygen mostly) gets turned into NOx.
NOx will end up in the atmosphere as smog and acid rain eventually, so bear that in mind next time you stay inside on a spare-the-air day or your paint goes to ****.
That said, some people run up to high 16s but the image below seems to suggest around 16.2 is best economy.
some emissions info you should be aware of: 14.7 AFR is stoich for gas which means not only is it fully combusting the fuel, it is limiting the amount of other things produced (NOx, HC, CO, etc). So as you increase AFR beyond 15 or so, the combustion temp goes up and the excess air (Nitrogen + Oxygen mostly) gets turned into NOx.
NOx will end up in the atmosphere as smog and acid rain eventually, so bear that in mind next time you stay inside on a spare-the-air day or your paint goes to ****.
That said, some people run up to high 16s but the image below seems to suggest around 16.2 is best economy.
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