Guys running E47 teach me
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Joined: 08-06-08
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From: Federal Way
Yeah I was running an E47 tune for about a full year on my car. I would just take my truck and filled up a bunch of 5 gallon gas cans of e85 and 5 gallon gas cans of 91. Then just mix them as needed.
Yeah, the first time you switch if your car is not perfectly empty its not going to hurt anything, its better to have a little more 91 as it will run a little rich if anything.
The only hard part I found being in California is that there is not many gas stations that have e85 so just keep in mind how far you drive and where you plan to go. I would always change my tune back to 91 if I went on a long trip to vegas or anything. Also keep in mind that you are going to get worse gas milage, if its a e47 tune you will roughly get 15% less gas milage as it will use 15% more fuel. Just some things to consider. I personally loved the power of using a e47 tune as I was able to run 24 degrees timing on the top end about 10 more degrees then my 91 tune. But it was a hassle dealing with the fuel I must say.
Yeah, the first time you switch if your car is not perfectly empty its not going to hurt anything, its better to have a little more 91 as it will run a little rich if anything.
The only hard part I found being in California is that there is not many gas stations that have e85 so just keep in mind how far you drive and where you plan to go. I would always change my tune back to 91 if I went on a long trip to vegas or anything. Also keep in mind that you are going to get worse gas milage, if its a e47 tune you will roughly get 15% less gas milage as it will use 15% more fuel. Just some things to consider. I personally loved the power of using a e47 tune as I was able to run 24 degrees timing on the top end about 10 more degrees then my 91 tune. But it was a hassle dealing with the fuel I must say.
I just started doing mine but do the same-5 gallon cans in truck but I mix them in the cans 2.5/2.5 so I always have mixed fuel. Keep in mind that 14% more fuel will cost you the same due to the ratio they put on e. It's the same money for all 93 and better gas mileage as it is for lower gas mileage and e47 due to e being ratio'd about 25% cheaper. At least it always is around here. Right now it's actually about 30% cheaper than 93.
Anyone can recommend a good gas can? The one I have (red one from gas station) leaks when I tilt to far to get everything out
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Joined: 03-19-10
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From: Azusa, CA
I just started doing mine but do the same-5 gallon cans in truck but I mix them in the cans 2.5/2.5 so I always have mixed fuel. Keep in mind that 14% more fuel will cost you the same due to the ratio they put on e. It's the same money for all 93 and better gas mileage as it is for lower gas mileage and e47 due to e being ratio'd about 25% cheaper. At least it always is around here. Right now it's actually about 30% cheaper than 93.
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From: Connecticut
Yeah, if I'm going on a bit of an extended trip with the balt I'll carry an extra 5 gallons of pretested straight e85 with me. That way I know essentially I'll have 10 gallons of e47 to fill up when the time comes.
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From: Greater Denver Area, Colorado
If my tank is empty and I'm just driving th car on the street I'll get 5 to 5.5 gallons of each. For the road track I premix in (2) 5G jerry cans, just so I don't have to add a full 10 gallons (weight savings!).
I'm using the plastic NATO 20 liter jerry cans because I could get them cheap at work, but they're like 90 bucks a piece if you buy them online since they're MIL-spec.
I recommend getting the VP fuels 5-gallon jugs. They're certainly not the cheapest but they are quality products and they allow you to dump 5-gallons in no time. My cans take 2.5 minutes to empty lol
I'm using the plastic NATO 20 liter jerry cans because I could get them cheap at work, but they're like 90 bucks a piece if you buy them online since they're MIL-spec.
I recommend getting the VP fuels 5-gallon jugs. They're certainly not the cheapest but they are quality products and they allow you to dump 5-gallons in no time. My cans take 2.5 minutes to empty lol
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From: Connecticut
While I don't use the vp can (way over priced imo), I've been using race cans with a straw as well for years. WAAYYYY better than messing with the standard gas can safety nozzle bs! Just crack the vent and watch it empty in moments.
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From: Still fixing others mistakes.
I just spent the past 10 days working on a full e85 setup from scratch on a 09 ss. It is very very easy to get super aggressive with the timing on that fuel.
BE CONSERVATIVE.
the HHR above, is far from conservative. because the owner is nutty.
I just started doing mine but do the same-5 gallon cans in truck but I mix them in the cans 2.5/2.5 so I always have mixed fuel. Keep in mind that 14% more fuel will cost you the same due to the ratio they put on e. It's the same money for all 93 and better gas mileage as it is for lower gas mileage and e47 due to e being ratio'd about 25% cheaper. At least it always is around here. Right now it's actually about 30% cheaper than 93.
Guys running E47 teach me
The mix will change with every fill up regardless if it was the same day, pump, within 5 hours of each fill, the mixture will be different.
I just spent the past 10 days working on a full e85 setup from scratch on a 09 ss. It is very very easy to get super aggressive with the timing on that fuel.
BE CONSERVATIVE.
the HHR above, is far from conservative. because the owner is nutty.
I just spent the past 10 days working on a full e85 setup from scratch on a 09 ss. It is very very easy to get super aggressive with the timing on that fuel.
BE CONSERVATIVE.
the HHR above, is far from conservative. because the owner is nutty.
I can only imagine what your aggressive tunes are like.
I am currently in the process of tuning mine for an E20 mix.
I feel like I'm conservative at 17-18 degrees up top, but maybe I am mistaken and need to back it down a bit. 14 was no issue on 93 though.
I feel like I'm conservative at 17-18 degrees up top, but maybe I am mistaken and need to back it down a bit. 14 was no issue on 93 though.
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Joined: 05-20-06
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From: Phoenix, AZ
It all depends on what your car will take in terms of timing. It doesn't take much of an Ethanol content to allow for aggressive timing bumps.....part of the reason that partial E blends are very successful on stock motor. While I am sure that there is a ton more headroom on full e85, there's only so much timing before you go past MBT and just start raising cylinder pressures for fun........Don't go there.
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From: Still fixing others mistakes.
There is only two cars that have been done to that level. I know the history of the cars, how they are driven and taken care of. Outside of this, i rarely go over 22psi on corn due to most people having stock cams and fuel lobes because the volume is not there and 20-21 degree's of timing up top. {there is a lot more to it than this though.
}
The mix will change with every fill up regardless if it was the same day, pump, within 5 hours of each fill, the mixture will be different.
I just spent the past 10 days working on a full e85 setup from scratch on a 09 ss. It is very very easy to get super aggressive with the timing on that fuel.
BE CONSERVATIVE.
the HHR above, is far from conservative. because the owner is nutty.
I just spent the past 10 days working on a full e85 setup from scratch on a 09 ss. It is very very easy to get super aggressive with the timing on that fuel.
BE CONSERVATIVE.
the HHR above, is far from conservative. because the owner is nutty.
I'd say that's a pretty conservative. Just keep an eye on things, often. How does your mid-range look? Boost?
Agree with this whole post but especially the bolded points. I run an "E30" mix and have found it best to build in a bit of a fueling cushion and this has provided me the best results.
I'd say that's a pretty conservative. Just keep an eye on things, often. How does your mid-range look? Boost?
I'd say that's a pretty conservative. Just keep an eye on things, often. How does your mid-range look? Boost?
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Joined: 03-22-07
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From: Still fixing others mistakes.
match the cam tables. you're more likely to knock on the cold tables and the warm tables.
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Joined: 06-05-12
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From: Omaha
First of all, this is 110% accurate, especially the last sentence 
Lots of fun if you can put the torque to the ground.
I'm on a ~E57 tune rather than a full e85 tune for these reasons. I want to spike the TQ immediately with the stock K04 ... And in doing such, Full E85 caused rail pressure issues ect even with the Fuel lobe cam regrind being my only fueling mod. Boost ramp would've helped but I prefer it to come in faster for racing purposes.
No reason to go this crazy unless you don't mind fixing what you will inevitably break.
I'm on a ~E57 tune rather than a full e85 tune for these reasons. I want to spike the TQ immediately with the stock K04 ... And in doing such, Full E85 caused rail pressure issues ect even with the Fuel lobe cam regrind being my only fueling mod. Boost ramp would've helped but I prefer it to come in faster for racing purposes.
No reason to go this crazy unless you don't mind fixing what you will inevitably break.
they are dumb to say the least lol.
There is only two cars that have been done to that level. I know the history of the cars, how they are driven and taken care of. Outside of this, i rarely go over 22psi on corn due to most people having stock cams and fuel lobes because the volume is not there and 20-21 degree's of timing up top. {there is a lot more to it than this though.}
There is only two cars that have been done to that level. I know the history of the cars, how they are driven and taken care of. Outside of this, i rarely go over 22psi on corn due to most people having stock cams and fuel lobes because the volume is not there and 20-21 degree's of timing up top. {there is a lot more to it than this though.
}First of all, this is 110% accurate, especially the last sentence
Lots of fun if you can put the torque to the ground.
I'm on a ~E57 tune rather than a full e85 tune for these reasons. I want to spike the TQ immediately with the stock K04 ... And in doing such, Full E85 caused rail pressure issues ect even with the Fuel lobe cam regrind being my only fueling mod. Boost ramp would've helped but I prefer it to come in faster for racing purposes.
No reason to go this crazy unless you don't mind fixing what you will inevitably break.
Lots of fun if you can put the torque to the ground.
I'm on a ~E57 tune rather than a full e85 tune for these reasons. I want to spike the TQ immediately with the stock K04 ... And in doing such, Full E85 caused rail pressure issues ect even with the Fuel lobe cam regrind being my only fueling mod. Boost ramp would've helped but I prefer it to come in faster for racing purposes.
No reason to go this crazy unless you don't mind fixing what you will inevitably break.
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