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Lost compression - after head change

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Lost compression - after head change
Zetomagneto Offline
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Joined: Aug 2017 Posts: 952 Threads: 38
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#20
14-11-2019, 10:55 PM
Is the replacement head correct thickness, should be 1.5” a bit less if skimmed.
If excessively skimmed are the nuts bottoming out before clamping down on the head.
I can’t understand why you have reduced compression just by changing the head.
From what you described ie head changed it should run .
Was any levering involved in getting the old head off?
If it started and ran well before then it’s not going to be rings or valves.
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RE: Lost compression - after head change - by Zetomagneto - 14-11-2019, 10:55 PM

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