- Thread starter
- #26
turboglenn
15+ Year Contributor
- 6,375
- 111
- Nov 5, 2007
-
RIpley,
West_Virginia
I'm not seeing any higher EGT's on E85 than i do on pump gas. Uaually around 1500* by the end of a long pull
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Actaully I am probably going to end up with less timing in teh mid and a little more up top, but i need a dyno to see those tiny changes in power. I haven't taken any weight out of the car as i just this year decided to start making it more of a strip machine but keep plates on it. It was mainly just a quick DD for years.
Just today i went to 11.8 - 12:1 AFR and things are picking up even more. I'm not going any leaner than that, and i'm happy with it so far and i'm saving some IDC
Once i get the tune down perfect (i'm picky about my tunes) I'm going to introduce some water/meth pre-turbo using the smallest nozzle i have soley for the aerosol cooling of the charge air and fending of surge. Between E85 and meth, I'm actually starting to make enough power in the heat of summer that i'm not totally disgusted with my car when it's 90* out
I think when I hit the dyno I will test afr's on e85. First I'll do a 11.1 tune and then a 11.5-11.8 tune adn see the difference in power.
One thing to keep in mind is the AFR you see is not actual, unless you have a gauge that has settings for different fuels.
That 12:1 you guys are speaking of is what your wideband sends because its programmed for petrol.
I refuse to use E85 because the feds subsidize it.
Are you tunning with dsmlink? you should post up a nice log.
I"m thinking about adding either pure meth or pure water back in front of the turbo for added cooling and to broaden the compressor map up some at these PR's
check your plugs......