1500 cc makes 265 hp?

I have seen a turbo-charged 1500 cc snowmobiles making 260 hp on TV.

Makes you think if the American 5000 cc - 7500 cc engines are really that much of a good idea. They are heavy, they burn a lot and are not efficient.

Small volume multi-cylinder turbo engine would be much better.

But that is no news for European makers of relatively small V8 to V12 street engines. The more cylinders, the smoother the engine runs, also the heavier it becomes.

F1 cars use 3000 cc (183 cin), V10 to produce 850 hp with top speed of 230 mph.

Indy cars use turbocharged V8 2650 cc (161.703 cin) to produce 800 hp with top speed of 240 mph.

quoting...
"F1 Mauricio Gugelmin at an average speed of 240.942 mph [387.7586 km/h], was the fastest official lap in auto racing history ... Also had a practice lap of 242.333 mph [389.9972 km/h] prior to qualifying, the fastest unofficial lap in auto racing history ... Recorded the fastest race lap in the U.S. 500 at Michigan Speedway ..."

Top Le Mans speed is car #16 Dome Judd driven by Jan Lammers at 332.7 km/h.

Top speed of course does little good for races like Le Mans, where the corner speed handling is as importnant.


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