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Subject:Re: GoWesty Aluminum Valve Covers
From:Mike S
Date:Sat, 21 Jul 2012 20:26:37 -0400

On 7/20/2012 10:40 PM, John Meeks wrote:
> The valve covers are aluminum.  Should have pretty good heat dispersed
> properties.

Al has about 5x the thermal conductivity of steel, but I suspect those
covers are more than 5x the thickness of steel ones, so it would be a
net loss. At a bare minimum, paint them flat black, so they radiate heat
better.