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Thread: E85 carb size and ignition timing

  1. #1
    Join Date
    Dec 2012
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    Southwest Ohio
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    231

    E85 carb size and ignition timing

    What size E85 carburetor are most people using on a 302?

    Are you running more, less, or about the same amount of timing with E85 compared to what you ran on gas?
    1970 Mach 1
    2000 Powerstroke Crew Cab 4X4
    72 Duster

  2. #2
    Join Date
    Aug 2004
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    Loveland
    Posts
    326
    I don't know the answer on the carb, but you can definitely run more timing than on 93.

  3. #3
    Join Date
    May 2011
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    Liberty Twp
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    3,118
    Not enough info to tell you about a carb size.
    #9 2011 Spring Street Car Shoutout

    1991 Mini Tubed Mustang Coupe, in the works.
    351W base, PG, Stock Suspension chassis

  4. #4
    Join Date
    Dec 2012
    Location
    Southwest Ohio
    Posts
    231
    Changed directions for the upcoming race season.
    Going to be running a 347 stroker. 12 to 1 compression. Windsor jr iron heads. Around .550 lift cam.
    Still want to try to run E85 with this motor.
    1970 Mach 1
    2000 Powerstroke Crew Cab 4X4
    72 Duster

  5. #5
    Join Date
    Jan 2009
    Location
    Hillsboro, Ohio
    Posts
    7,916
    You can run more timing with E85 than you can with 93.
    1992 Mustang LX Coupe, 302, PA C4 and On3 70mm.
    1993 Reef Blue hatch, 347, 3550, and a kit.
    1992 Gould GT project...

  6. #6
    Join Date
    May 2011
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    Liberty Twp
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    3,118
    On a 347 running E85, I would believe your at least in the range for a 700-750 cfm carb, just my opinion.
    #9 2011 Spring Street Car Shoutout

    1991 Mini Tubed Mustang Coupe, in the works.
    351W base, PG, Stock Suspension chassis

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