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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
Big CRF mods but bad results
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[QUOTE="Rich Rohrich, post: 1275890, member: 16241"] You can fiddle with the cam timing till you are old and gray. Unless you found a way to move around 20% more air through the existing cylinder head, all you are going to do is move the torque peak around, and shift around the area under the torque curve. You can make incredibly fun power with big displacement and restricted airflow. The engines have a lower rev ceiling and tend to last a lot longer. It's a good combination for most riders. As Ol89r pointed out, it just takes a slightly different approach to riding it. If your goal is just to see a big number come up on the dyno you need more AIR to move in and out of the engine. There is no getting around that. Cylinder head flow is the key to making power at high rpm with big displacement. One last thing, the spec for the Stage 3 Hot Cam is much closer to what you need. The lobe centers and lift profile are a much better fit for for a big displacement engine. [/QUOTE]
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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
Big CRF mods but bad results
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