I think, if I remember correctly, it can be in the 20% range. Seat of the pants is out of this world, on a SB ford. I switched from a 600 Holley Double Pumper to Webers. Even before I had them dialed in the HP gain was quite noticable. Highly recommended if you're thinking of making the Jump.
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Originally Posted by hamster427
How much hp and torque do you gain typically with a Weber setup vs. a single fourbarrel on a small block? Thank you for any responses,
Brian
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