1st High-Powered (Ethanol) E85 Porsche 997 Turbo by Prototech & Protomotive
If you put e85 in your jeep and it's not a flex fuel vehicle, you will likely get a cel. The stoichiometry ratio for e85 is something like 9.7 compared to 14.7 for regular gas. This means you need to pump in more fuel per unit air. Your jeep is likely not equipped to handle that dramatic of a change.
Mike
many of the factory ecus will adjust as long as they can within that range.. No reason to run it in a tahoe since the gas mileage worsens.. I dont even understand who would buy a flex fuel vehicle except for someone who just wants to go green.. id run 87 in my tahoe.. but sure ill bet you can run e85 in a stock tahoe for sure..
I bet you'll get a cel-eventually. Maybe not right away because you will have regular gas remaining in the tank but after a few fill-ups your dash will light up like a beacon. There's a reason for the term FFV.
ok im working up the courage to ask... lol would you use it in a stock evo?? or dare i ask how about a porsche?? and why wouldnt you ? simply because they are expensive? or because they are turbocharged?.. has anyone had the ***** to run it in a factory tuned turbo car? .... your generator cant adjust and our cars can... so isnt it safer to use in the cars than in the generator? ( obviously the generator costs less so the pucker factor isint as great )
many cars mixing E85 makes more power if the car is rich from factory.. for example we did an RX8 with just a 20%-30% blend of ethanol and picked up 15hp by leaning it out with No tuning..
Mike
We had 0 gas in my car.. i pumped it all out.. even if there was 1 gallon left it would make it e80 at worst case.. I was driving on dyno untuned to mix the tiny bit in the lines..
wow so you used it in the gt3 without first tuning for the e85.. what *****!! and no cel.. thats amazing.. did you by any chance dyno the gt3 stock and then un tuned on e 85?? its making awesome power now on e 85 ..im not sure what a stock gt3 makes..
the stock ecu makes adjustments for sure.. my 997.1 Gt3 was stuck at 395whp or so on E85 and once i took it out on highway for some runs and put some miles and went back on dyno 30 min later it made 400+ consistent..
Mike
Mike
I would run e85 all the time if I had a station near me. It's a much cleaner burning fuel imo. And what I mean by cleaner is that ethanol if pure ethanol whereas gas is a petroleum distillate that contains a mixture of different hydrocarbons plus contaminants like sulfur that can wreck havoc on your motor. I'd run straight ethanol if it was available.
I would run e85 all the time if I had a station near me. It's a much cleaner burning fuel imo. And what I mean by cleaner is that ethanol if pure ethanol whereas gas is a petroleum distillate that contains a mixture of different hydrocarbons plus contaminants like sulfur that can wreck havoc on your motor. I'd run straight ethanol if it was available.
Mike
Great information, guys!
Luckily we have E85 all over the place in Minnesota, so I may need to retune for that.
Is 650whp achievable with Protomotive E85 tune, upgraded VTG turbos, exhaust, intercoolers and E85?
Luckily we have E85 all over the place in Minnesota, so I may need to retune for that.
Is 650whp achievable with Protomotive E85 tune, upgraded VTG turbos, exhaust, intercoolers and E85?
I am thinking mine is close to 600whp with Champion VTG(Gen1) turbos.
You will need to upgrade to 80lbs injectors at a minimum to reach 650whp.
I will be dynoing next week and post results.
You will need to upgrade to 80lbs injectors at a minimum to reach 650whp.
I will be dynoing next week and post results.



