ummmm, I remember pulling my valve covers off without removing the plenum. I had to take a couple of items off going to the plenum, but not the plenum itself.
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2002 SE/SC R.I.P. March 2015
Bielstien's
Shrock Sliders
Reman'd engine installed 5/16/09 at 87,894 miles

Captain 38-90
Member of Fire District-38 Station-1 since 1991.
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