Carb. Mechanical or vacuum secondaries?

Ricks70Duster340 said

Vacuum tuned properly delivers excellent performance with decent economy. If you want the power "all in" on launch, then DP is what you want.

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A properly tuned double pumper will deliver decent economy and blow the doors off the VS.

Im at a loss as to why people think you can’t tune a DP for performance and fuel efficiency.

It functions like every other carb out there.