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Originally Posted by DrivingMissDD
With the engine at an idle, take a breaker bar or chunk of solid steel rod, put one end against your ear and the other upon various locations around each cylinder, on the head, valve cover, and header. I've successfully used this method of isolating noises for years. It's a cheap but effective 'stethoscope'.
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I've used both wood and steel but find that steel gives a more refined 'sound transfer'. :shock: :D :D
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tried that today also.couldnt nail down where its coming from yet.gonna do it somemore tomorrow.cant hear it under the truck,can hear it in the wheel well cause it doesnt have any fenderwells in it,and can here it on top.Its for sure coming from the back on the drivers side.
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Originally Posted by DrivingMissDD
I've used both wood and steel but find that steel gives a more refined 'sound transfer'. :shock: :D :D
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ive also found buttom end parts out the exhaust is a pretty good indicator also.
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Have you tried turning the lights out while it was running to look see if there is a spark jumping around anywhere?
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no,i was messing with it in the sunshine today.I will try that though.I did take the number 7 plug wire off the cap and held the plug up by the cap and it got spark....then it jumped to the firwall,in my right hand and out my left hand.LOL!!!!!!
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Originally Posted by Tod74
Have you tried turning the lights out while it was running to look see if there is a spark jumping around anywhere?
Thanks for this reminder, Tod ! |
I've had a loose spark plug do the same sound.
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well turns out it is a SMALL exhaust leak on number 7 with the super no leak ever gaskets....sure they are!!!Burnt my finger but if you aint burnin you aint learnin............Thanks everybody!!!
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