Thread: Does a blower motor w/ carbs need a return fuel line???

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the return is more to help keep the pump from dead heading and heating up the pump . bigger the pumps the more you should think about a return .i am doing a anglia blown 383 using a big pump with a return regulator by pass log using AN10 for a feed and the AN8 for the return. if you use the smaller blue holleys pump you will not need a return.i have used many on the street you will run out of road before you run out of fuel. my chevy is a 548 with one blue holley on it. i know for wide open it could use more carb s with bigger cfm and more fuel bigger pump but i never get to that point on the street. all out drag racing is a new game you would want fire size hose and the pumper truck to

...hummm, Thanks Jack, that takes the 'mystery' out of it! 1/16" for every -1......

...Thanks Pat, I will go with the bigger line {like 5/8"} w/ a pump that's bigger than the blue Holley. I'm getting another fuel cell & running new lines & getting a new fuel pump I might as well go 'all out'.......

Bill