How far can I take deka 80's on e85?
If you find you are running out of injector on E85, there is a really easy, zero cost way to extend them about another 10%. Blend your E85 back to about E70 with premium unleaded E10. 4 gallons of E85 to 1 gallon of E10 gives E70. There is virtually no difference in knock resistance between E70 and E85. You get a little more cooling from the E85, but it is really a very small difference. Normally E10 is available on the same pump with the E85, so blending it really is no big deal. There are a few other advantages to E70 as well, like it starts quicker on a cool day, and if it is a street car, you get about 10% more range from a tank of gas.
The group of people that chose 85% as the blend of ethanol in E85 fuel had the intent of replacing as much gasoline as possible with ethanol. After all, the intent of this fuel was to replace foreign oil, and clean up the environment, not fuel our tire burning machines. In fact it is a bit of an ironic deal that we are using this "clean renewable fuel" in our cars without catalytic converters, and our large overlap cams spewing out unburnt hydrocarbons out into the environment. If you took into account other factors, like cold starts, fuel range etc. E70 would have been a far better choice.
The group of people that chose 85% as the blend of ethanol in E85 fuel had the intent of replacing as much gasoline as possible with ethanol. After all, the intent of this fuel was to replace foreign oil, and clean up the environment, not fuel our tire burning machines. In fact it is a bit of an ironic deal that we are using this "clean renewable fuel" in our cars without catalytic converters, and our large overlap cams spewing out unburnt hydrocarbons out into the environment. If you took into account other factors, like cold starts, fuel range etc. E70 would have been a far better choice.
TECH Enthusiast
Joined: Jan 2012
Posts: 557
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From: Bowling Green KY
The environmental benefit is that my engine doesn't crack a piston then put a rod through the side of the block and dump my dirty engine oil on road. It also reduces noise pollution, because I'm not cursing about cracking a piston.
"How far can I take deka 80's on e85?"
All the way to the finish line!
What is the Stoich of E70?
You certainly can jack the base pressure up. But you need to know where the pump really begins to lose flow vs. pressure.
Some are better than others.
And of course watch IDC and AFR closely.
I added a second pump to help me push my ID1000's a bit further. E70 does sound attractive.
Ron
All the way to the finish line!
What is the Stoich of E70?
You certainly can jack the base pressure up. But you need to know where the pump really begins to lose flow vs. pressure.
Some are better than others.
And of course watch IDC and AFR closely.
I added a second pump to help me push my ID1000's a bit further. E70 does sound attractive.
Ron
Im about to find out...Dual -6 feeds and dual walbro 450 in tanks...I plan on 60-70psi base FP and probably mixing some premium fuel to end up between e50 and e60 somewhere. I have ethanol sensor feedback though so I will be stylin
nice, what is your goal power/et wise? What engine management system do you use?
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Verdad Gallardo It would seem that you have a solid understanding of the benefits of e85.