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Old 04-27-2017, 02:44 PM   #21
2LZ   2LZ is offline
 
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Join Date: Mar 2010
Location: Volcano, Ca
Posts: 7,112
Great write-up Spud! Excellent and complete, as always.

I remember back in the 70's, when unleaded fuel first came out, it was eating up the valve seats and the manufacturers had to go to hardened valve seats. I wonder if this is what's happening here?
Did the old valves look worn or just the seats?
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