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Thread: Header temps

  1. #1
    Join Date
    Apr 2007
    West Palm Beach, Florida

    Header temps

    Is there a good temperature for headers?

    SBC 355, pump gas, 671 blower.

    I run about 675*F 2 inches out of the aluminum head at idle.

    Is this high? My underhood temps seem hot.

    Is the temp something I can use to tune idle timing and mixture?

    Plugs look good after a WOT pass.

    I have new XFI fuel injection and more adjustability that I am used to.

  2. Racing Junk

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