>I had a friend who is a mechanic take them off and polish the runners as far
>as he could reach, approx. 3-4", depending on the cylinder. He also polished
>the pipe coming off the back of the manifold as far as he could reach.
...
>Kuk said he done to his truck by using a dremel tool, I seriously doubt that,
>my friend's air compressor ran almost the whole time he was doing this, and I
>was a good sized unit.
I thought Kuk had had his exhaust manifold ExtrudeHoned? Pretty sure he did.
Someone on the list (maybe Kuk) had burned out a dremel tool reworking the
combustion chambers.
Anyone know whether you have to regrind or replace the valve seats after having
heads Extrudehoned?
Jim
PS. Only practical way to do porting is with a pneumatic die grinder, IMHO.
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