Originally Posted By Horror
When used solely on the inlet valves you will have, effectively, an Atkinson cycle engine. A pre-charged inlet tract with different inlet and exhaust volumes just like the Priuses that litter the roads.
So who's laughing now?
I'm still laughing. Perforated inlet valves will not create an Atkinson cycle - will they?


Hannes
once: Green M3W; 2013
now: Red 4/4 Sport; 2011
and some practical cars for use in real life