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hardened valve seats for Unleaded fuel
#14
ok- thought it might have something to do with the temp. And micro-welding is something I'm new to. I've heard though, that the cut, cast-iron seats get pressed deeper into the head due to lack of "lubrication" when using unleaded petrol?
Driving a Mini turns you into a Hooligan  Angry
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RE: hardened valve seats for Unleaded fuel - by 2y2m2 - 10-17-2015, 10:56 AM

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