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Message: [QUOTE="TARM, post: 415067, member: 578"] You could be fine. Has more to do with your pumps flow rate. Are you running a stock pump or upgrading? Its always a no brainer if you make feed and return line the same size and is a good general rule but it not a must in all situations. Why not just use the factory feed line as your return instead of using the actual smaller stock return line? Just an option if you have not torn it out all the way back. The issue would likely pop up at low fuel usage times like idle. The pump is still pumping the same amount of fuel but the engine is using far less so that much more is going to return. I have always run new return or used the old feed line as the return. But I am sure plenty have used the stock return line. [/QUOTE]

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