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riverrat4life

  • Karma: +0/-0
E85 = 110 octane??????
« on: April 10, 2014, 05:54:27 PM »
Okay guys... so read this website...seriously? Why haven't I heard about this..I mean Ive heard of e85 fuel but I have NEVER heard of the fuel acting as good as 110 octane. These guys are using 14-1 up to 16-1 compression makers...what am I missing here? Little insight...

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GT Jets

  • Karma: +192/-0
Re: E85 = 110 octane??????
« Reply #1 on: April 10, 2014, 06:50:27 PM »
Alcohol does have great octane, it also burns very cold and takes more fuel to do the same work as gasoline.

You can make some very impressive numbers with E85. I don't think I totally understand you question though. E85 is no new secret or anything. My neighbor runs a 496 Chevy in his long travel sand car on E85 and it makes in excess of 800 HP naturally aspirated and can run it balls out all day long.

I have seen this thing do wheelies up the street on numerous occasions.   :thumbup: :thumbup: :thumbup:

GT
  • Boat #1: 1992 Carrera 20.5 Elite (I/O bitches)
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If i get some free time tonight at work, ill play with it and post it for everyone to see.

Time to man up and yank it John!  :banghead:
Ray

riverrat4life

  • Karma: +0/-0
Re: E85 = 110 octane??????
« Reply #2 on: April 10, 2014, 07:55:26 PM »
http://www.raceone85.com/

I was on facebook earlier today and was on "jet boats rock" and one guy was posting something about putting his 14-1 mtor together and he was getting ready for the water...im on scjb all the time but have not run acrost this topic..so i guess i was just wondering what the pros and cons were...

I have been distant from the engine/hotrod/go fast game for awhile and did know about the sciences, advances and technology of e85.

The only real question i have now is, why not(other than availability) run e85 in a motor that is not intended for it? ie a mid 90s pickup thats completly stock..just scanning over the info, it sounds like e85 acts almost like running 110 octane...other than the long term detriment to the parts that cant handle the internal explosion for very long but man, it sounds like it sure would be fun for a few miles..lol
  • Boat #1: Saving for a 75-77 rogers...
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GT Jets

  • Karma: +192/-0
Re: E85 = 110 octane??????
« Reply #3 on: April 10, 2014, 08:02:16 PM »
http://www.raceone85.com/



I was on facebook earlier today and was on "jet boats rock" and one guy was posting something about putting his 14-1 mtor together and he was getting ready for the water...im on scjb all the time but have not run acrost this topic..so i guess i was just wondering what the pros and cons were...

I have been distant from the engine/hotrod/go fast game for awhile and did know about the sciences, advances and technology of e85.

The only real question i have now is, why not(other than availability) run e85 in a motor that is not intended for it? ie a mid 90s pickup thats completly stock..just scanning over the info, it sounds like e85 acts almost like running 110 octane...other than the long term detriment to the parts that cant handle the internal explosion for very long but man, it sounds like it sure would be fun for a few miles..lol

Edit; I worded some of this poorly.

How many reasons do you want?

That mid 90's POS stock truck would likely not even start on the E85. Octane is NOT heat, it is the controllablility of the burn. The higher the number the less detonation (knock), the gasoline we use today has additives called anti knock compounds and the energy is close to 20% less than the same amount of E85.

To add, almost all the vehicles not intended for use with E85 will have o-ring, hose and gasket problems and the injectors will likely not be large enough to run properly.

Don't forget, it is going to be a bitch to start.

Methanol engines have crazy compression ratios (compared to gas) and the carburetor needs to be set up to run alcohol.

It is also not available everywhere.

I can go on and on, but I wont...  ;)


E85 is a pretty good fuel, but a great fuel, not really, the biggest plus is that the engine runs stupid cool because the fuel has very little heat in it, this can be good and bad.


« Last Edit: April 10, 2014, 08:10:48 PM by GT Jets »
  • Boat #1: 1992 Carrera 20.5 Elite (I/O bitches)
  • Boat #2: 19' Bubble deck Jet BBC Berkeley
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If i get some free time tonight at work, ill play with it and post it for everyone to see.

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Ray

riverrat4life

  • Karma: +0/-0
Re: E85 = 110 octane??????
« Reply #4 on: April 10, 2014, 08:08:10 PM »
Okay cool. Special fuel. Special motor. Special people. Thanks GT I just needed confirmation :-)

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76 Bonneville

  • Karma: +25/-0
Re: E85 = 110 octane??????
« Reply #5 on: April 10, 2014, 09:34:49 PM »
And 35% more fuel. Break out the big jets.
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GT Jets

  • Karma: +192/-0
Re: E85 = 110 octane??????
« Reply #6 on: April 10, 2014, 11:34:51 PM »
And 35% more fuel. Break out the big jets.

True that... Still not as bad as a turbine powered deal though. Last I heard they were burning over 40 gallons/hr of Jet A. That to me is insane.  :screwy:

Another major plus for E85 is that water is almost non issue in the gas. The alcohol mixes well with water.  ;)
« Last Edit: April 10, 2014, 11:38:12 PM by GT Jets »
  • Boat #1: 1992 Carrera 20.5 Elite (I/O bitches)
  • Boat #2: 19' Bubble deck Jet BBC Berkeley
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If i get some free time tonight at work, ill play with it and post it for everyone to see.

Time to man up and yank it John!  :banghead:
Ray

riverrat4life

  • Karma: +0/-0
Re: E85 = 110 octane??????
« Reply #7 on: April 11, 2014, 01:06:05 AM »
 Still sounds like a big expensive headache..;/

sent from my smarter than me phone

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todd98se

  • Karma: +1/-0
Re: E85 = 110 octane??????
« Reply #8 on: April 11, 2014, 03:59:38 AM »
I used to run a mix of 3 gallons of E85 to 9 gallons of 91 octane in my big turbo Mazdaspeed3. The E absolutely kills your gas mileage but allowed me to safely make a bit over 400whp on 24psi. Without the E I was stuck around 20psi and 320ish whp. So you don't necessarily need to run all E85, just spiking your regular fuel does wonders for knock control.

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