Quote:
Originally Posted by olddog
Mike,
Just a quick thought on the dyno chart. When torque drops off a cliff on top end, I would first suspect you are loosing control of your valves.
That does make determining your shift point more challenging. You may want to give up a bit of acceleration for longevity of the engine.
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Agree, however, the manufacturer claims it's purely cam profile. Have to give it a look on the dyno with my own eyes and see what we have. As flat as the curve is, I can see shifting just after hitting peak hp, but we'll see.
EDIT: Bike has LS rockers, Ti valves, Ti keepers, Ti retainers, hydraulic lifters, and beehive springs. I read that the beehive springs tend to give up softly. Anyone have any experience pushing beehive springs to their limit? How do they behave at the limit?