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01-16-2017
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#1 |
 
Join Date: Mar 2007
Location: Crystal Lake, IL
Posts: 7,180
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E85 Conversion
Anyone done E85 in their Z yet, seeing some good results posted for NA motors.
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LGAFF 90 #966-150K miles-sold 92 #234-sold 1987 Callaway TT #17 1991 ZR-1 #1359 |
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01-16-2017
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#2 |
 
Join Date: Mar 2004
Location: Found Member
Posts: 4,327
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Re: E85 Conversion
See the 368 on E85 on the Corvette forum that is for sale ?
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01-16-2017
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#3 |
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Join Date: Mar 2007
Location: Crystal Lake, IL
Posts: 7,180
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Re: E85 Conversion
I was looking at some of the LS1 Results .....20-30hp pickup
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LGAFF 90 #966-150K miles-sold 92 #234-sold 1987 Callaway TT #17 1991 ZR-1 #1359 |
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01-16-2017
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#4 |
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Join Date: Mar 2004
Location: Found Member
Posts: 4,327
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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. |
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01-16-2017
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#5 |
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Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,685
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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. |
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01-16-2017
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#6 | |
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Join Date: Mar 2007
Location: Crystal Lake, IL
Posts: 7,180
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Re: E85 Conversion
Quote:
wouldnt be opposed to doing that but with 16 injectors and 2 pumps its not enough?
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LGAFF 90 #966-150K miles-sold 92 #234-sold 1987 Callaway TT #17 1991 ZR-1 #1359 |
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01-18-2017
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#7 |
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Join Date: Aug 2014
Location: Kansas City, MO
Posts: 835
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Re: E85 Conversion
Need a more modern ECM to control it.
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01-18-2017
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#8 |
 
Join Date: Feb 2012
Location: Ledyard,CT
Posts: 8,325
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Re: E85 Conversion
The nearest E85 pump is 2-1/2 hours away from my house.
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01-18-2017
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#9 | |
 Join Date: Jul 2010
Location: Woodstock, Ontario, Canada
Posts: 1,271
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Re: E85 Conversion
Quote:
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. |
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01-18-2017
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#10 |
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Join Date: Aug 2005
Location: Fishers, IN
Posts: 812
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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. Sent from my iPhone using ZR-1 Net Registry |
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Linear Mode
