Poppin /Vacuum/ Flame Licker/ Runs 30+years later

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propclock

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Crockett calif
My friend Dwight Giles made this Poppin engine approx 30-40 years ago. He never managed to make it run,
He has been cleaning shop lately and asked me to look at this engine.
As always The machining was excellent . He used cast iron cylinder and Graphite Piston.
It took me a while to figure out the cam duration was too short.
I made a new cam and a new valve. It was too stiff so I cleaned the piston/ cylinder.
After some valve adjustments, It runs. Yea.
A short youtube for those interested.

 

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