E85 and nitrous?
I just switched my car over to E85. Spraying a "normal" amount on it as well. All I had to do was get bigger injectors and have my tuner put a custom operating system in the car. I haven't sprayed the car with the E85 but I'll be fine.
I have a 408 that I will spraying. I believe when the tune was done it took 23% more fuel to compensate for the lack of thermal energy in e85 compared to gasoline. I have 60lb injectors to keep up with the increased fuel demand. I also have a stand alone fuel system. In the stand alone I will run 116 octane race gas. I could run e85 which is 110 octane, but for max power I'll run 116 octane. The e85 has a slower burn to help with detonation and also because of the alcohol the motor runs cooler. My motor is 13.5 compression with no knock no matter how much timing I run. I've had 35 degree's of timing no problem.
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6 & 8 Second Club
Joined: Aug 2006
Posts: 2,284
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From: Illinois, RT 66 dragway area
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We called a N2O guy for info. As the guys said, you have to rejet for the fuel side. All you need is the new chart & jet per the shot size. He did recommend alcohol jets.
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We called a N2O guy for info. As the guys said, you have to rejet for the fuel side. All you need is the new chart & jet per the shot size. He did recommend alcohol jets.
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Teching In
Joined: Oct 2007
Posts: 34
Likes: 1
you need to dyno tune it with a good wide band. you need a **** ton more fuel. at this point it will be a more individual based thing then a simple wet jet chart. e85 is a good fuel, you just a bunch more of it. so either dry it wet, there will be considerable dyno tuning involved. but im sure the big midwest nitrous companies are working on it...
http://www.corral.net/forums/showthread.php?t=966921
http://www.corral.net/forums/showthread.php?t=966921
I am doing it. 402 11.7:1 60# 150 dry shot. EGT is at 1100 while spraying. Injector duty cycle is at 81% timing at 23 with tr6. Works great. Also have wide band but it has to read lambda because AF is around 7.7 on spray and 9.8 at idle and cruise.
9 Second Club
Joined: Jul 2003
Posts: 1,195
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This is the problem....you can't see Lambda. If you have a wideband you can get a special senser to read that low.....It is a methenol wideband
