Holley Double

holley carburetor with vacuum secondaries?

Can you get a Holley carburetor with vacuum secondaries that is also a double pumper?
I always thought that the double pumpers always came with Mechanical Secondaries. ( In general im talking about the 650s and 750s)
Thanx.

Make sure the engine matches the carb.because to large of a carb. will cause driveability problems at low speeds.To rich at Idle.

Double Pumper Carburetor Video – Holley Install & Tuning DVD