E85 Conversion
 

Anyone done E85 in their Z yet, seeing some good results posted for NA motors.

Re: E85 Conversion
 

See the 368 on E85 on the Corvette forum that is for sale ?

Re: E85 Conversion
 

I was looking at some of the LS1 Results .....20-30hp pickup

Re: E85 Conversion
 

http://www.corvetteforum.com/forums/...-1990-zr1.html

That car is local for me. The builder SK Speed shop is well known. There must have been a heck of a tuner or a different EMS used to tune that setup. I knew the previous owner , then it had a bad engine. Long story.

Re: E85 Conversion
 

Very likely need bigger injectors along w fuel pumps to support them.
Then separate tune for e10 v e85. Be nice to have a Flex Fuel sensor along w programming to support it w our ECM.

Re: E85 Conversion
 

wouldnt be opposed to doing that but with 16 injectors and 2 pumps its not enough?

Re: E85 Conversion
 

Need a more modern ECM to control it.

Re: E85 Conversion
 

The nearest E85 pump is 2-1/2 hours away from my house.

Re: E85 Conversion
 

To control what?

Going straight E85 would be straightforward with the stock ECM with a calibration change.

E85 at the pumps does vary quite a bit, unlike the E85 you can buy by the drum, which is actually 85% Ethanol 100% of the time.

Re: E85 Conversion
 

The only reason I can think of that you'd *need* a new ecm is if you wanted to run different blends of E85 and unleaded. Then you'd need a flex fuel sensor and the ability to modify the fuel pulse for varying stoich ratios.

Other than that the stock ecu would work fine, with the proper calibration.

I come back to Lee's original question and I don't know why one would do this on a naturally aspirated engine. There is much less energy in a gallon of ethanol compared to pump gas so I can't fathom how it makes more power normally aspirated. Now if you're running boost and can benefit from the charge cooling effect then ok. But that's not the situation that was proposed.


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