Valve seat question
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Joined: Oct 2005
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Valve seat question While installing new springs, I noticed I have a small nick on the inside angle of one of the intake valve seats. The valve seems to seat OK. Is this a problem that needs to be addressed? 
http://www.cranecams.com/?show=techarticle&id=2
here you go, scroll down to Methods to Adjust for Proper Hydraulic Lifter Preload
and that should do it
here you go, scroll down to Methods to Adjust for Proper Hydraulic Lifter Preload
and that should do it
Thread Starter
TECH Apprentice
Joined: Oct 2005
Posts: 332
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Originally Posted by clebmotors
http://www.cranecams.com/?show=techarticle&id=2
here you go, scroll down to Methods to Adjust for Proper Hydraulic Lifter Preload
and that should do it
here you go, scroll down to Methods to Adjust for Proper Hydraulic Lifter Preload
and that should do it
I'm not referring to the pushrod seating in the lifter. I'm talking about where the valve seats in the head.
Thread Starter
TECH Apprentice
Joined: Oct 2005
Posts: 332
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Here is a picture of it. If you look at about 7 o'clock you will see two dots. The one in the foreground is just a reflection or something, it is the small nick behind that. I know it's not a great picture, but you get the idea. It looks worse in the picture than it is but you can feel it with your fingernail.
Should I get some lapping paste and try to smooth it out with the valve?
Should I get some lapping paste and try to smooth it out with the valve?
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How deep is it? If it is a nick that cannot be lapped out, then you will need to have it machined. If it is a minor scratch, lapping may take care of it. Hard to tell from the photo.
