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If you are just swapping manifolds without tuning on the jetting and especially the accellerator pump circuit, you are not making a valid comparison. A richer carb set-up will favor the single plane and a leaner carb set-up will favor the dual plane. The question is how is the carb is in relationship to the rest of your engine to start with.

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I may leave the intake on for another go, but…being the skeptic that I am, I don’t think I will be able to get the 60’ times down to the same level as the Air-gap. I would need to pickup ~7 hundredths just to equal the Air-gap. The launch just feels too soft…throttle response is great, it just feels like it is down on torque.

The carb is currently tuned perfectly for the Air-gap, I assume the Victor will want a little more Jet and squirter?

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