E85 vs Gas

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E85 vs Gas

Post  bruno on April 28th 2015, 6:42 am

So this latest car im looking at is set up for e85. First question can i run that fuel on nitrous ? Second question if not what does it take to convert back to gas ?

cam is .284/.308
.839/.828
485/475
114*

scj cylinder heads

13.5:1
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Re: E85 vs Gas

Post  Doug Rahn on April 28th 2015, 7:57 am

I am by no means an expert on this, but the short answer I have found in my research is yes. Since E85 is more readily available around here now, I have considered changing the small block Mustang over. There is tons of information on the Web about it and the common denominator I have found for a good starting point is an increase of about 25% on the fuel jet. That of coarse depends on what type of nitrous system is used and the overall engine combo. Also using a Wide Band O2 sensor for tuning would be a plus.

When the Pros on here that use nitrous all the time see this, I'm sure they can give a better answer than me, and I'm sure Steve at Induction Solutions would have a lot of input on this.
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Re: E85 vs Gas

Post  supervel45 on April 28th 2015, 8:34 am

I don't know much about it either, but it seems most guys use a fuel test kit as the E-85 varies quite a bit and effects the tune. Yes you can spray with it, but how much is the million dollar question. Did you read Larry's Player Nitrous thread here?

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Re: E85 vs Gas

Post  butterbean on April 28th 2015, 8:41 am

Doug your answer is rite on, as long as the fuel is available in your area and it tests at 85% you will have no problems, rite now on raceone85.com I.m helping a couple of guys from Michigan tune thier cars for the fuel that is not 85%, even if the fuel don't test out to be 85% you can still tune it easy by jetting, I've been using it now for 6 years and have had no problems at all, its a good fuel and really cheap!!!
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Re: E85 vs Gas

Post  Rich Osmond on April 28th 2015, 10:25 am

Blake - I have had very good results with E85 engines running similar cam specs and cylinder heads, both N/A and on nitrous.

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Re: E85 vs Gas

Post  Dave De on April 28th 2015, 9:50 pm

That motor is perfect for E85 but it will need a carb with E85 metering blocks to work well. See Horsepower Innovations.
I've been running E85 for 4 years and it works great.


Last edited by Dave De on April 28th 2015, 11:00 pm; edited 1 time in total
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Re: E85 vs Gas

Post  hienergy557 on April 28th 2015, 10:18 pm

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Re: E85 vs Gas

Post  68formalGT on April 29th 2015, 4:17 pm

Dave De wrote:That motor is perfect for E85 but it will need a carb with E85 metering blocks to work well. See Horsepower Innovations.
I've been running E85 for 4 years and it works great.

X2. I just had my nitrous plate flowed by Eric for e85 and I've been using his carbs for 4 years.
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