----- Original Message -----
From: "paul stenquist"
Subject: Re: Flatbed glass cleaning?
Humor aside, I wouldn't use a wire brush on a cylinder head either.
Certainly not on the valve seats or the gasket mating surface. The
proper way to prepare the gasket surface, once any grease or sealant
has been removed with a solvent, is with a large, flat, dull file and
even strokes. Valve pockets can be cleaned with a wire brush on a
drill, but if the valve seats don't need regrinding, lapping compound,
the valve, and a lapping stick are the proper cleaning tools.
Hey, I get serious about cylinder heads:-).
I used to lap Harley valves in that way when I was wrenching bikes.
I used to get laughed at for being so old fashioned, but the engines I
worked on always had higher compression when I was done than the guys using
a power tool got.
William Robb
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