This is my first attempt at making a cylinder head with a rotary valve, instead of the traditional poppet style valves.
Being my first attempt, I'm pretty pleased with the results.
Original cylinder head with poppet valves reached 13,500 top rpm while whith the rotary valves 15,800rpm.
That itself can't tell much, because I can definitely tell that compression is lower than before, and that's where I need to focus on my next attempt.
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