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Thread: Engine knock under load

  1. 03-10-2014, 05:55 PM #1
    drwhosc
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    Engine knock under load

    I have a question. I have a 71e with a stock 2.2. I got the car back from a rebuild, and things are good. However, some themes when the car is under load, a distinct rattle can be heard. I back of the gas, and it goes away. I know I have to work this up, and looking for advice. I have a Air Fuel meter in the exhaust, and the car seems to be on the rich side (11).

    I am looking to check the valve clearance first. I have been reading about broken head stud bolts ( hope not). The timing seems good, but will recheck. Not sure How I can check for timing advance.
    -----

    71 911E RS Clone (Analog)
    88 928 S4 (V8 Trans Axle)
    99 996 (Daily Beater)

    Early S Registry # 1278
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  2. 03-10-2014, 05:58 PM #2
    RSTarga
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    !. check your dwell and timing
    2. Are you lugging the engine? What revs show when you hear the noise?
    David

    '73 S Targa #0830 2.7 MFI rebuilt to RS specs
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