Actually that’s not BS. They can and they do in the right hands. I have a six pack that will run as good as most any single plane and 4150 carb. I’ve done it and ran about every combo on the car. This is on a high 10sec b body street car with a 500ci motor. About the only thing that’s been a bit stronger is a Indy single plane and a 1050 dominator. The vacuum operated six pack ran identical et to a heavily ported TM6 and a 4150/1050 carb.my mechanical six pack is really strong. I think it would be within a tenth or two of the Indy single plane. Granted I build a some custom carbs so I probably have a bit of tuning advantage.
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