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I am enjoying this thread. Thanks to acparker for the links to these wonderful engine side roads.
I remember seeing the Roots TS3 running around our neighborhood. I've always wanted to grab one and refit a more capable fuel system. I feel two strokes are dismissed as being too noisy and dirty without digging deeper into the design.
The only real problem is the oil that can slip by the fuel/exhaust ports. That can be minimized. An extended stroke TS3 can allow us to provide a head with an intake valve system reducing that source of oil bypass. Mapping of trapped exhaust allows us to provide natural EGR as well as additional EGR for reduced NOx. High pressure common rail injectors will reduce exhaust coking problems. Current clean diesel exhaust after treatments would make it viable for even the ultra strict California market.
Just dreaming out loud.
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