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Anyone wanna try E85 tuning?

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Old 12-30-2008, 02:51 PM
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Originally Posted by chetly' date='Dec 30 2008, 03:38 PM
Technically speaking it isn't that cheap. You'll see about 15% less mileage with E85 so it's Federally mandated that it's sold 15% less than 87 octane. Or so I've been told.
Hence the need for larger injectors, because you have to use more fuel to get the same power. The problem now is when you switch back to normal unleaded, you are running larger injectors then you need, which generally isn't something you want.
Old 12-30-2008, 03:38 PM
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Originally Posted by J'sBlackAP1' date='Dec 30 2008, 12:35 PM
I'm actually going to do the E85 with larger injectors once i use my 2mm headgasket and GT3076R so i'm down for sure.

Let me know when it goes down, i'd like to see the end results on a turbo S
how about 116 octane fuel im down for that
Old 12-30-2008, 03:44 PM
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I think E85 equals to 103 octane
Old 01-04-2009, 10:45 PM
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Originally Posted by chetly' date='Dec 30 2008, 03:38 PM
Technically speaking it isn't that cheap. You'll see about 15% less mileage with E85 so it's Federally mandated that it's sold 15% less than 87 octane. Or so I've been told.
15% is VERY conservative. It's much worse than that.
Old 01-06-2009, 08:05 PM
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I've tuned a few Supras on E85. There is a local supplier that will drop off drums to your house if you order from him. Forgot the contact but I can get it if you're interested. I think minimum order is 55gal. It's recommended that you double your injector size as it will take approximately 70% more fuel to burn properly in an internal combustion engine.

My first impression was:
1) took a bit of time to tune cold start, hot start and idle
2) the raw fuel has a light smell of liquified garbage waste
3) then after the tailpipe I start to crave french fries....j/k
4) serious note it has great cylinder cooling properties
5) great knock/detonation threshold

I know of a few people in the east coast running 1 part E85 to 10 parts regular fuel on daily drivers for better emissions, gas mileage and power. I've never tested this on the street or dyno but wouldn't mind trying.
Old 01-06-2009, 08:38 PM
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SF airport has E85 on pump, we have a customer with a diesel truck that made mistake of pumping E85 into his truck at SFO .
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