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Stromberg Big97

BIG97s move up to a 1.175in venturi with super-efficient 20 degree entry angles. The accelerator pump discharge jets are smaller and well out of the booster airflow. And flared exit cones build power by slowing the mixture down to reduce turbulence into the manifold plenum. The result? 250cfm per carburetor – some 55% more than our own regular 97s.

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