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Thread: WHAT CFM FOR E85?????!!!!!!!!!???????

  1. #1
    Junior Member JOURNEYMAN
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    Apr 2004
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    WHAT CFM FOR E85?????!!!!!!!!!???????

    Iam putting a 555 13:5 comp tall deck solid roller cammed motor on the street. Iam running an 1150 dominator right now for racing. I will be going to E85 and need imput on the proper carb. Do I have to run the same cfm? It will be more of a cruiser than a drag car. I will keep the dominator when I do go to the track. I plan on taking about 2 deg. timing out, but Iam not sure of the cfm I can safely run. I will also drop the shift point down. Any imput would be great.

  2. #2
    Senior Member RACING JUNKIE
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    4,143
    Well if you are going to keep the dominator and switch it out to go to the track you need to stay with a dominator unless you want to mess with adaptor plate.
    I'd put a 750 Dominator on it for the street if you can get one for E85.

    So I assume you are going to have someone convert your 1150 to run E85? I have been told it isn't as simple as just buying a kit and doing it yourself.

  3. #3
    Senior Member MASTER BUILDER
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    You will give up power, but i would put a 950 HP on there, these are a much easier carburetor to find for E85, Also 13.5 is very very border line for E85. Typically 13.0 or less for E85, be care full with your fuel.
    Competition Engines & Hardcore Engine Parts
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  4. #4
    Senior Member RACING JUNKIE jmarksdragster's Avatar
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    With a 555 I would do at least a 1050. 13.5 should be fine on E85 as long as you get a carb that is done CORRECTLY for E85, and keep an eye on the gas % changes you get at different times of the year. I am currently building an E85 1150 to use on the 23˚ SBC in my dragster, however there is a difference with E85 that requires different mods to get the most out of it, set it up wrong and it will not work well. There are only two builders I know of that have a real good handle on it and a lot of test time with E85 specifically, don't expect to put a conversion kit in it and have it work right. You will be spending more money later on to fix it. This goes for any size Holley, not just a Dominator.
    Mark Whitener
    http://racingfuelsystems.myfunforum.org
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  5. #5
    Quote Originally Posted by jmarksdragster
    With a 555 I would do at least a 1050. 13.5 should be fine on E85 as long as you get a carb that is done CORRECTLY for E85, and keep an eye on the gas % changes you get at different times of the year. I am currently building an E85 1150 to use on the 23˚ SBC in my dragster, however there is a difference with E85 that requires different mods to get the most out of it, set it up wrong and it will not work well. There are only two builders I know of that have a real good handle on it and a lot of test time with E85 specifically, don't expect to put a conversion kit in it and have it work right. You will be spending more money later on to fix it. This goes for any size Holley, not just a Dominator.
    That's correct, and I would go ahead and stay with an 1150. If it's set up right it'll be fine at cruise speed too.

  6. #6
    Junior Member SHOW GUEST
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    Re: WHAT CFM FOR E85?????!!!!!!!!!???????

    Quote Originally Posted by nan
    Iam putting a 555 13:5 comp tall deck solid roller cammed motor on the street. Iam running an 1150 dominator right now for racing. I will be going to E85 and need imput on the proper carb. Do I have to run the same cfm? It will be more of a cruiser than a drag car. I will keep the dominator when I do go to the track. I plan on taking about 2 deg. timing out, but Iam not sure of the cfm I can safely run. I will also drop the shift point down. Any imput would be great.
    Talk to Steve Morris at www.stevemorrisengines.com; Mark Sullens at [email protected]; or www.candsspecialties.com

  7. #7
    Senior Member RACING JUNKIE
    Join Date
    Mar 2003
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    Fountain,MICHIGAN
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    Re: WHAT CFM FOR E85?????!!!!!!!!!???????

    Quote Originally Posted by nan
    Iam putting a 555 13:5 comp tall deck solid roller cammed motor on the street. Iam running an 1150 dominator right now for racing. I will be going to E85 and need imput on the proper carb. Do I have to run the same cfm? It will be more of a cruiser than a drag car. I will keep the dominator when I do go to the track. I plan on taking about 2 deg. timing out, but Iam not sure of the cfm I can safely run. I will also drop the shift point down. Any imput would be great.
    Get ahold of Me,I have a Option on a 1150 E85 Dominator and Regulator.
    I have been into this for a few.....?
    Also will be yusing it in the Tank,this coming Season!
    Later
    G 8)
    [email protected]

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