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<DIV>I had a very loud knock that sounded absolutely fatal, and I was really worried that I was going to have to open this engine up a second time. It turned out to be an adjustment screw on the high-lift rockers hitting the alloy valve cover. A simple solution is to put on a second gasket to raise the height of the cover. Anyone encountered this before? </DIV>
<DIV> </DIV>
<DIV>Michael Rowe</DIV>
<DIV>The Holy Sprite</DIV></SPAN></BODY></HTML>