now this is a bit interesting...

[23crate]

https://www.thegreymotor.com/2014/0...9Q_aem_B47oHrlyvOZv979ibJNCyQ#google_vignette

 

[offroadrolls]

https://www.thegreymotor.com/2014/08/dunston-rotary-valve-head.html?fbclid=IwY2xjawG1A4JleHRuA2another FlbQIxMAABHXH2DCJxEaGnSfBzvye4Bknc3Nhk5SkhLynA9BuOtsp20af_wR4OmB_e9Q_aem_B47oHrlyvOZv979ibJNCyQ#google_vignette

That's pretty cool Crate and here's another I believe we'll see in cars in our lifetime.

 

[Old Iron]

Very interesting

 

[bob w]

Porsche is working on a 6 stroke engine. It utilized two different stroke lengths per two revolutions. Or something like that.

 

[offroadrolls]

Porsche is working on a 6 stroke engine. It utilized two different stroke lengths per two revolutions. Or something like that.

Oops! I'm a thread hijacker. Don't forget to read Crates link below. I wonder if anyone's consider putting a rotary valve head on a 6 stroke engine?

https://www.thegreymotor.com/2014/0...9Q_aem_B47oHrlyvOZv979ibJNCyQ#google_vignette