David
Your valve problems have more to do with the fact that you are running unleaded fuel in an engine designed for leaded fuel.
Optionally, the use of hardened valve seats allow for the use of modern unleaded fuel.
You can purchase a lead aditive for old engines to help with the old style valve seats. Some guys run AV Gas which is actually leaded but not technically legal to run in on road vehicles...
For a couple hundred miles per year I would not worry about it.
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3RD Echelon Wksp
1968 M274A5 Mule Baifield USMC
1966 M274A2 Mule BMY USMC
1966 M274A2 Mule BMY USMC
1958 M274 Mule Willys US Army
1970 M38A1 CDN3 70-08715 1 CSR
1943 Converto Airborne Trailer
1983 M1009 CUCV
1957 Triumph TRW 500cc
RT-524, PRC-77s,
and trucks and stuff and more stuff and and.......
OMVA, MVPA, G503, Steel Soldiers
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