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Erratic Vaccuum readings

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Old 05-18-2013, 04:08 PM
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Well I pulled the valve out and found pitting on the stem. Same valve bent last year so I had a valve job done and it ran fine the rest of the year. The mechanic didn't tell me why the valve bent, maybe it stuck first. Coincidence that it should happen to the same valve? What causes that? Is there something wrong with the head / guide?
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Old 05-18-2013, 08:45 PM
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What brand valves are you using, are they Inconel ?
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Old 05-18-2013, 10:22 PM
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That's what I was told.
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Old 05-19-2013, 08:26 PM
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Did you stick a magnet to it to see what it does, you might want to look at all of the valves.
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Old 05-20-2013, 03:46 PM
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What should the magnet do?
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Old 05-20-2013, 04:22 PM
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Nothing if it's inconel.
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Old 05-20-2013, 10:08 PM
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Originally Posted by GPM
Nothing if it's inconel.
It's not magnetic.
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Old 05-21-2013, 04:11 PM
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Old 05-21-2013, 05:07 PM
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Inconel doesn't rust.
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Old 05-21-2013, 08:08 PM
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I didn't notice any rust. I could put it in water and see what happens.
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