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Registered
Join Date: Apr 2001
Location: Linn County, Oregon
Posts: 48,859
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My guess is that Tim nailed it...The flathead Briggs uses a "splash" lube system...too many revs, not enough lube, regardless of type of oil. Higher compression is also harder on the rod bolts.
Oh...question? How can a flathead "drop a valve"???
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"Now, to put a water-cooled engine in the rear and to have a radiator in the front, that's not very intelligent."
-Ferry Porsche (PANO, Oct. '73) (I, Paul D. have loved this quote since 1973. It will remain as long as I post here.)
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