What size fuel line is absolutely required?

72Dart6pack said

Trust me. I know about fuel flow issues. Yes this is mine.

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The 950HP to which I referred was a Holley double pumper 950 high performance series carb I bought for my last race car.

Maybe I am showing my age but it was a state of the art carb when I bought it.

I'm getting the feeling maybe I should sell it and look for a Quick Fuel or something.