54 Corvette - Carter Carburetor YH (Rough running at start up) - NCRS Discussion Boards

54 Corvette - Carter Carburetor YH (Rough running at start up)

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  • Lew K.
    Infrequent User
    • April 26, 2010
    • 2

    54 Corvette - Carter Carburetor YH (Rough running at start up)


    1. New plugs, electronic ignition, rebuilt YH Carter carbs;
    2. Easy start, smooth idle;
    3. Misses and sputters for about 10 minutes and then smooths out:
    4. At shut off:

    b. Plugs in cylinder #5 and #6 fouled (black soot). (I believe cylinders 5 & 6 are fed by rear carburetor)
    5. If I keep motor running, engine runs smoothly.
    Is it possible there is a blockage in the rear carburetor? Any other ideas?
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