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engine making a knockin sound

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  • engine making a knockin sound

    just got home and i had my cars alternator changed today...now that its home i hear an engine knock. also my oil gauge fluxuates when i step on the gas...when i step on gas it goes up and let off it goes down...any suggestions?

  • #2
    low oil?

    and when the RPM go up the oil pressure should be going up - that's not a fluctuation.

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    • #3
      what does the oil pressure gauge read??? if the oil pressure is really low at idle then your probobly hearin a knock from the top end of the engine. valvetrain,lifters, etc.

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      • #4
        dang it. iam prettty sure its valvetrain...how do i fix it guys?

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        • #5
          What does your oil pressure read at idle?

          Oil pressure is supposed to move when you hit the gas.
          SpudFiles
          Blast vegetables and whatever else you can think of!
          Theopia
          Enjoy life online.

          1996 3500GP Coupe, "Bright White".
          3500 swap, 60degreeV6 1393 Cam, Ported Intakes, Comp Cams Valve Springs, 65mm TB, Custom Pushrods, S&S Headers, 97 PCM with DHP Powrtuner, 2.5" back to dual Hooker Aerochambers, SS Brake Lines, Addco swaybar, KYB's, Intrax Springs, STB's, etc!

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          • #6


            does it sound like that?
            Past Builds;
            1991 Z24, 3500/5 Spd. 275WHP/259WTQ 13.07@108 MPH
            1989 Camaro RS, ITB-3500/700R4. 263WHP/263WTQ 13.52@99.2 MPH
            Current Project;
            1972 Nova 12.73@105.7 MPH

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            • #7
              Wow that sounds bad lol.
              SpudFiles
              Blast vegetables and whatever else you can think of!
              Theopia
              Enjoy life online.

              1996 3500GP Coupe, "Bright White".
              3500 swap, 60degreeV6 1393 Cam, Ported Intakes, Comp Cams Valve Springs, 65mm TB, Custom Pushrods, S&S Headers, 97 PCM with DHP Powrtuner, 2.5" back to dual Hooker Aerochambers, SS Brake Lines, Addco swaybar, KYB's, Intrax Springs, STB's, etc!

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              • #8
                when i start it it doesnt sound that bad but when running its a lil more quieter then that...maybe low on oil cuz i have a leak under the car. i think its comming from my oil pan. iam not sure

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                • #9
                  sounds exactly like that now....wtf HELP

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                  • #10
                    We can't help. It sounds like you need a new motor. Take the car to a shop.

                    Tim
                    1995 Z34 - T04E "60" trim, 42.5 lb/hr injectors, AEM WBO2, FFP UD&DB, 3" exhaust, 2800 stall, shift kit, tranny cooler, Powerslot, Hawk HPS, rear disc conversion, KYB, Eibach, HMS F&R STB, Fittipaldi Force 18" wheels, big stereo, lots more coming eventually...
                    325 whp 350 lb-ft

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