1 Aug 2006 01:37
RE: F100000000
Chuck stick to weed eaters!!! It takes a pipe and chip to get 10hp out of 1 liter sport bike.... 30hp, that's a different story. This bike motors can run all day long at red line, provided they have good oil pressure. You can't even compare those engines to anything else other than another bike motor. Truly marvels of engineering... Chris R. Stan <scc1909@...> wrote: The people writing the rules have not forgotten their physics, which is why the draft rules require stock bore, stroke, CR and ECU. The final draft may require stock internals as well, though this is still under discussion. Will there still be differences in engine performance? Sure, but that situation exists today in DSR with their $12,000 engines and doesn't seem to be a show stopper. Besides, the only way to achieve perfect engine parity is to require a single-source sealed engine, which isn't going to happen for a variety of reasons. In the end, perfection isn't required. This is a builders class, and people preparing a car for it will have to make informed decisions. Stan Chuck Voboril wrote: Jay is right on. A lot of money is necessary to get that extra 10HP out of those highly stressed and advanced motors. Or, at the same peak HP, to get more reliable service or broader HP and more torque out of them. With restrictors, a built bike motor that makes more HP over a broader HP range WILL indeed still accelerate faster even if peak HP is the same as other motors. I see very high compession build-ups of those street engines being the primary trick in an intake restictor class. People who advocate restrictors generally also forget their physics and that torque is what determines ultimate top speed, not HP. Running at the edge with MC power, one probably just trades broken rings,(Continue reading)
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