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fuel line return question
I bought my truck with the return line from the fuel pump plugged at the pump .It is also plugged off just below the gas tank.It is a 402 BB with a quadrajet, should I reconnect the return line from the mechanical pump to the tank.Are there any performance problems that could develope? What is the purpose of the return line anyway.could this be the reason why my truck doesnt come out of the hole strong?
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