What clutch bell and spur gear would be good if I want a faster takeoff and faster top end?
The stock settings are balanced for fast takeoff and top end. If you want more top end, you’ll sacrifice takeoff speed. If you want more takeoff speed, you’ll sacrifice top end. It’s just like a teeter-totter–both ends can’t be in air at the same time. To make adjustments, click on the link above, “setup sheet with tuning tips.