What I'm referring to is the circle at the end of the red arrow. It appears that the valve face is not fully contacting the 45 on the seat. Maybe it is just the way the pic is showing.
How wide is your contact area between the blue arrows?
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Gordon
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'71 911 Coupe 3,0L
outlawed
#56 PCA Redwood Region, GGR, NASA, Speed SF
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