Quote:
Originally Posted by Dessertrunner
Harvey I ment the guys like Matt who are changing the cams etc and running the engine around 5k. Does your simulator show that any power can be gained on the standard engine at standard revs?
Tony
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I have been looking at it for a number of years now and the only conclusion I can come to, without taking to torque peak to a higher rpm, is
that the engine is almost fully developed as it is.
Other than fuel and ignition tuning, valve lift is all that can help to give the torque curve a bit more pork. The original inlet cam that we worked out back in 2005, is still the best result for the standard engine's performance. That cam had 8mm lift, 8.75 (which is the max for the standard hydraulics) would be the better. The cam can be retarded 10* to help stretch the torque up the range a bit, but for the standard inlet manifold, 240* duration is best to keep the Inertia system working.
Harvey.