04-22-2015, 09:05 AM
Oil cooling will get you some relief. My Griso is oil/air cooled (about 92hp at the rear wheel) and has some good sized oil journals for the head. 
I suspect that materials scientists could come up with a long lasting air cooled high output motor (now could we afford it is another matter!) if the market demanded that. Remember when the EPA first started setting standards back in the 70's and they had pollution pumps and all sorts of ugly stuff attached to engine and performance went into the basement? That lasted what; ten years or so? Then with EFI and computers the plumbing became much simpler, engines became a lot more efficient (and now you have to been a computer expert as well as a wrench to work on the car) and power came back. Along with pony cars. And performance.
Granted they are water cooled but save for the Corsair and VW most were water cooled before.
So in that light; perhaps air cooled is not off the list yet.
I suspect that materials scientists could come up with a long lasting air cooled high output motor (now could we afford it is another matter!) if the market demanded that. Remember when the EPA first started setting standards back in the 70's and they had pollution pumps and all sorts of ugly stuff attached to engine and performance went into the basement? That lasted what; ten years or so? Then with EFI and computers the plumbing became much simpler, engines became a lot more efficient (and now you have to been a computer expert as well as a wrench to work on the car) and power came back. Along with pony cars. And performance.
Granted they are water cooled but save for the Corsair and VW most were water cooled before.
So in that light; perhaps air cooled is not off the list yet.