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Thread: popping through carb
          
   
   

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  1. #33
    southerner's Avatar
    southerner is offline CHR Member/Contributor Visit my Photo Gallery
    Join Date
    Jun 2004
    Location
    Auckland
    Car Year, Make, Model: 69 Holden HT
    Posts
    818

    This is starting to sound more loke the valve clearances were set to tight. If you had a hole in the piston the engine would be pumping smoke out the exhaust and breathers, but you have not mentioned that.
    Can you get your hands on a cylinder leakdown tester ? Rotate the engine untill you close both valves on the bad cylinder, than hook up the leakdown tester to the plug hole, pressure it up and listen, If it hisses at the carb = bad intake valve, if it hisses out the exhaust = bad exhaust valve, if it hisses out the breather = bad rings or hole in piston.

    BLAST ! Went back and read the query properly, two middle cylinders on pass side of block, I agree with everybody else, probably a blown head gasket.
    Last edited by southerner; 12-18-2006 at 01:50 PM.
    "aerodynamics are for people who cant build engines"

    Enzo Ferrari

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