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Alex · September 19th, 2014, 07:19 PM

I can't find any record of that in GP. The switch was to allow 4-strokes in against the 2-stroke incumbents, and Honda attempted it in 1979 with an uber-high-tech, 4-stroke 500 with oval pistons. It was ultimately a failed experiment.

http://world.honda.com/history/chall...9pistonengine/

I can't think of any racing in many, many years in cars or bikes where turbo/supercharged engines ever competed in the same classes as normally aspirated machines. It goes back to the 1920's/1930's when all of this tech was still being worked out. (Blower Bentleys, etc.)

edit: research is fun! http://en.wikipedia.org/wiki/Formula_One_engines has a great history of the different engine classes, and I learned quite a bit. It turns out that there were years where turbos were allowed in the normally aspirated machines, but the turbos became dominant so quickly that running without one meant backmarker status. Essentially, they were required to be competitive, up until they were banned.

September 19th, 2014, 07:19 PM	#54
Alex ninjette.org dude Name: 1 guess :-) Location: SF Bay Area Join Date: Jun 2008 Motorcycle(s): '13 Ninja 300 (white, the fastest color!), '13 R1200RT, '14 CRF250L, '12 TT-R125LE Posts: Too much. Blog Entries: 7	I can't find any record of that in GP. The switch was to allow 4-strokes in against the 2-stroke incumbents, and Honda attempted it in 1979 with an uber-high-tech, 4-stroke 500 with oval pistons. It was ultimately a failed experiment. http://world.honda.com/history/chall...9pistonengine/ I can't think of any racing in many, many years in cars or bikes where turbo/supercharged engines ever competed in the same classes as normally aspirated machines. It goes back to the 1920's/1930's when all of this tech was still being worked out. (Blower Bentleys, etc.) edit: research is fun! http://en.wikipedia.org/wiki/Formula_One_engines has a great history of the different engine classes, and I learned quite a bit. It turns out that there were years where turbos were allowed in the normally aspirated machines, but the turbos became dominant so quickly that running without one meant backmarker status. Essentially, they were required to be competitive, up until they were banned. __________________________________________________ Montgomery Street Motorcycle Club / cal24.com / crf250l.org / ninjette.org ninjette.org Terms of Service Shopping for motorcycle parts or equipment? Come here first. The friendliest Ninja 250R/300/400 forum on the internet! (especially Unregistered)