He's just talking about kicking the clutch while climbing the revs, no shifting.
Kinda pointless, you're kinda just essentially braking the engine with the clutch back down to where you were. I'm sure you can apply some conservation of energy principles to show that it's not doing anything but I'm too lazy lol. Thinking about it though...
You're burning fuel to accelerate a spinning mass with no real load. That energy is basically stored as a rotational inertia and nothing more.
So when you engage the clutch back, the only energy you gain is the small amount from the increased inertia with a lot of loss of energy to heat via friction in the clutch assembly. Whereas if the clutch was engaged this whole time, you're sending the power from the gas directly to the wheels and not losing any energy to heat through the clutch.
Yes, that is a banana in my pocket.
Dan - gump
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