Inside a 4 Stroke

[Hammerhead]

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[TroyBoy30]

pretty kewl!

[Mortalis5509]

That was cool

[chkaotic]

Looks more like a 3 stroke engine to me.. think they missed something :)

[wallypiper]

Yeah, it was frustrating that it stopped when it did. But it must be a big slow moving engine. Zero valve overlap.

[Eagalicious]

That is the SLOWEST engine i have ever seen :rofl: