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Thread: what gas
          
   
   

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  1. #1
    flames is offline CHR Member Visit my Photo Gallery
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    Car Year, Make, Model: 56 Ford F100
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    what gas

     



    Have old 460 in my F100 (Holly 4 barrel) - what is the best octane to use?

  2. #2
    Dave Severson is offline CHR Member/Contributor Visit my Photo Gallery
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    Car Year, Make, Model: '67 Ranchero, '57 Chevy, '82 Camaro,
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    What year is the engine and or the compression ratio?????
    Yesterday is history, tomorrow is a mystery, Live for Today!
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  3. #3
    flames is offline CHR Member Visit my Photo Gallery
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    Gentleman told me motor came from a 75-76 f250. Stock motor. Do not know compression builder is in hospital and do not want to bother him yet.

  4. #4
    Dave Severson is offline CHR Member/Contributor Visit my Photo Gallery
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    That year of engine, if the heads haven't been milled or higher compression pistons installed, should run fine on regular gas. Also depends on what the timing is at, and whether it's just cruising, pulling a load, or a bit of racing. If it's just an occasional driver, I guess I would put premium in it. Just better gas, better performance, and less prone to detonation. Hard to say for sure without knowing more about the engine internals.
    Yesterday is history, tomorrow is a mystery, Live for Today!
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  5. #5
    Bob Parmenter's Avatar
    Bob Parmenter is offline CHR Member Visit my Photo Gallery
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    Re: what gas

     



    Originally posted by flames
    - what is the best octane to use?
    Whatever doesn't ping. Anything more is a waste.
    Your Uncle Bob, Senior Geezer Curmudgeon

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  6. #6
    flames is offline CHR Member Visit my Photo Gallery
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    Thanks for your help.

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