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Old 11-20-2010, 02:07 AM   #1
SMLBLK66
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Default E85 HP Gains

Im building a motor that will be ran on the corn, ans was wondering how much HP you fellas that have switched over form gas are coming out with. I have a friend that switched from C-16 to E 85 and gained 47 WHP. Is this common or did he get lucky or is it on the low side? Just wanting to see what youguys are picking up by doing the switch.

Thanks, Josh
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Old 11-20-2010, 02:34 AM   #2
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Default Re: E85 HP Gains

My car gained 63 wheel horsepower on the corn.
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Old 11-20-2010, 03:00 AM   #3
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Default Re: E85 HP Gains

Are you guys talking forced induction or NA?
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Old 11-20-2010, 05:59 PM   #4
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Default Re: E85 HP Gains

I would like to know about both . My buddys car was a turbo car to answer the ?
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Old 11-20-2010, 06:28 PM   #5
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Default Re: E85 HP Gains

A guy I know with a single turbo 3V modular motor gained nearly 100hp and tq thru out the power band on E85 vs race (IDK which octane) running around 20-21 psi IIRC
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Old 11-20-2010, 08:36 PM   #6
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Default Re: E85 HP Gains

its basically like running methanol you run more fuel than gas for the same effect also your engine wont heat up as quick thus run more lead in timing to make work
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Old 11-21-2010, 01:00 AM   #7
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Default Re: E85 HP Gains

Quote:
Originally Posted by sicktruck View Post
its basically like running methanol you run more fuel than gas for the same effect also your engine wont heat up as quick thus run more lead in timing to make work

Im aware of what it does and how it works. Im just curious of the average HP gain over gas is. Im hoping to make close to 900 HP on just nutts out of my SBC on it. I know the combo is capable of doing it on gas so Im hoping it will be a little easier on corn. If the combo can make 850 gas then it should be close to the 900 on E85. That is why im trying to see what to expect out of it as far as a base pickup. Im not going to go off of the guy that says he picked over 100 hp and say mine should, but if there are a hand full of guys that picked up 40-50 hp then I know what i should expect.

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Old 11-27-2010, 12:59 AM   #8
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Default Re: E85 HP Gains

I am also interested to see peoples gains from tuned on kill with C-16 and then switching to E-85.
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Old 12-03-2010, 02:02 PM   #9
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Default Re: E85 HP Gains

normally you should see a 10% gain in HP on a boosted application....just note that you will need a huge fuel system to run E85.

For 900hp you will need 160lb injectors and a big pump.
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Old 12-04-2010, 01:47 AM   #10
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Default Re: E85 HP Gains

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Originally Posted by Johnston Motorsports View Post
normally you should see a 10% gain in HP on a boosted application....just note that you will need a huge fuel system to run E85.

For 900hp you will need 160lb injectors and a big pump.

my set up will be carbed and im running a BG 400. Im sure that will be enough. ......well I hope lol.
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Old 12-04-2010, 02:13 PM   #11
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Default Re: E85 HP Gains

Talk to drag chevette here or cal Eric at horsepower inovations. I gained 2.5 tenths on one of erics carbs.
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Old 12-04-2010, 02:46 PM   #12
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Default Re: E85 HP Gains

Quote:
Originally Posted by Johnston Motorsports View Post
normally you should see a 10% gain in HP on a boosted application....just note that you will need a huge fuel system to run E85.

For 900hp you will need 160lb injectors and a big pump.
So 10% increase in power over tuned all out on C16??
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Old 12-18-2010, 01:20 AM   #13
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Default Re: E85 HP Gains

your results will vary...
you will see a hp gain in the change to E85, how much depends on a LOT of different factors.

1. who does your carb.
2. your compression.
3. your heads and the induction flow.
4. total cubic inches.
5. your ignition system.

I personally have seen lower compression (8:1) small cubic inch small blocks...pick up .00x in the 1/4. while i HAVE seen large cubic inch, 15:1 compression, chevelle pick up as much as .67 in the 1/4.

there is no cut and dry answer to the question as the results are dependant upon the base engines specs....

why dont you tell me what your engine specs are and I can tell you what iI think you should expect from a properly tuned E85 carburetor...

as for your buddy gaining 47hp...fairly normal in a turbo deal.

Mark Sullens E85 Carburetors.
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Old 12-18-2010, 11:02 AM   #14
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Default Re: E85 HP Gains

IMHO - E85 works best in FI or high CR set ups. those allow the motor to take advantage of the cooler IATs and added timing that can be thrown at E85
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Old 12-19-2010, 01:14 PM   #15
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Default Re: E85 HP Gains

what does it cost for a good E 85 carb??? jus wondering
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