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What is this?

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  • What is this?

    Been noticing this after starting the Eliminator. Has a Cleveland of unknown mileage. Is this oil, carbon, or excess fuel (which I doubt)?
    69 Cougar Eliminator
    71 Pinto-289, auto-ex drag now on street

  • #2
    It's hard to tell by the pic but I'd guess the valve seals are going out and letting oil seep into the combustion chamber when sitting. Blowing it out when you fire the engine. Does the engine smoke a little at start-up?
    1965 Poppy Red Three Peddle Gear Banger
    347 Stock Block Pump Gas Street/Strip 10.44 @ 125.97 Old Combo
    363 Dart Block Pump Gas Street/Strip - 10.11 @ 133.17 so far

    2005 Torch Red Topless Three Peddle 12 valve Monster
    244 Stock Block Pump Gas Street /Street Much Slower

    Current CI Count - 103


    • #3
      If you don't drive it very often I'd say it's just normal condensation blasting out accumulated carbon out of your exhaust. Since all our daily drivers are fuel injected these days we're just not used to seeing this anymore. You may want to look at how rich your carb is running, especially the choke system, this much sootiness is tough on the piston rings and cylinder walls.
      '70 Mach 1 - '72 Sprint - '94 F-150 XL -'97 E-150 - '05 Sable LS
      My Mach's restoration progress
      My Sprint's restoration progress
      ”Mercy for the guilty is cruelty to the innocent.” ~ Adam Smith