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    7up's Avatar
    7up Posts: 180, Reputation: 1
    Junior Member
    		  
    #1

    Apr 19, 2009, 04:18 PM
    Rod knocking
    I've replaced all of my rod bearings, and I still hear a knocking noise at high speed but not at low speed,and if I was to install a bigger air spacer between the intake and carb would that give me more horsepower or not,so if anyone could tell me what else the knocking could be and how can you check which piston is knocking.
    mazak's Avatar
    mazak Posts: 148, Reputation: 5
    Junior Member
    		  
    #2

    Apr 19, 2009, 06:37 PM

    What is the year and size of the endine ? Was the crankshaft measured for wear,before installing the new bearings?
    kitch428's Avatar
    kitch428 Posts: 1,440, Reputation: 152
    Ultra Member
    		  
    #3

    Apr 19, 2009, 07:48 PM

    Mechanic's stethoscope.
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