Turbo-Flex^® Electric Fans are designed to assist belt-driven fans when additional cooling is required, to replace factory electric fans for equal or better air flow at a lower cost, or to replace the factory driven fan for improved engine performance and better gas mileage. All Turbo-Flex^® electric fans are pre-assembled and shipped as "pullers."

• 4 cylinder engines generally require 1,600 (CFM) minimum.

• 6 cylinder engines generally require 2,000 (CFM) minimum.

• Small cubic inch 8 cylinder engines require 3,000 (CFM) minimum.

• Large cubic inch 8 cylinder engines require 4,500 (CFM) minimum.