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Old 06-15-2019, 08:23 PM   #11
Tom Wesenberg
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Join Date: May 2010
Location: Mpls, MN
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Default Re: Best way to scuff a clean head

"The water jackets looks pretty clean, no blocked ports so I should be OK there."

I've never seen blocked ports, but a lot of rusty crud settles in the rear bottom of the cooling chamber. Dig around with an old cable or some such, then blow out the junk.
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