March 1st, 2022, 08:40 PM
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Junior Member
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Join Date: Dec 2020
Location: Towanda, KS
Truck: 1963 Wayne Coach Bus
Age: 38
Posts: 5
Thanks: 0
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Rep Power: 0
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Re: My 1963 GMC Bus
Hoooo boy this is not what I expected, but I'm glad I checked. I'll check the other side next.
To be honest I don't know if this is buildup or melting/welding. The really interesting one has a scoop in it where the valve was hitting, so I'm assuming buildup.
The white piston had a cylinder completely full of ash.
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