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Dodge 440 Knocking Update

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Dodge 440 Knocking Update Jerry 2-4-08  
Removed the passenger side valve cover & looks good & clean, no sludge. With the valve cover off, the noise sounded more like tapping than knocking. Oil coming up through the rocker arms with a good flow. I used a mechanics stethescope & the tapping sounded stronger right under the rear rocker arms. I did not hear it when I put the stethescope on the block. Don't know if its a bad push rod or valve but its seems like its right there under the rocker arms.
Re: Dodge 440 Knocking Update Roy 2-29-08  
It sure sounds like an ignition knock. I have a 440 R.V. and can not use regular gas in the states Canada OK.
Re: Dodge 440 Knocking Update JACK 3-5-08  
CHRYSLER MAKES AN EXCELLENT ENGINE DECARB CHEMICAL.I HAVE ELIMINATED A LOT OF CARBON KNOCKS USING THIS PRODUCT.
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