How to Inspect a Fuel Return Line

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Part of the video series: How to Install a Chevy Engine in a Ford- Part 2

Summary: Inspect a fuel return line a car when replacing a car engine; learn how with tips from our expert custom-car mechanic in this free auto-restoration video.

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By Doug Jenkins
eHow Presenter

Doug Jenkins runs Doug Jenkins Custom Hot Rods in St. Louis, where he restores classic cars and creates mild to wild custom street rods. He races a 1972 Corvette in the SCCA...read more

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"Hi I'm Doug. I work with twenty great guys in St. Louis at Doug Jenkins Custom Hot Rods, and we're going to do some work for you today on Expert Village. Now we're going to plumb in the return line. Mark is cutting the end of the hose. You see that fitting on the tank. Fuel injection develops a great deal of fuel pressure and in order to regulate the amount of pressure at the fuel injectors it spills off excess pressure into the fuel tank. At idle it dumps a bunch of fuel back in to the tank, when you got your foot in it it doesn't. This is low pressure again so we can just use rubber hose for the last little bit of it here. We'll use steel line for most of it, run for safety, but the last little bit we can use rubber. So you can see there where we're running some steel line for that return."

eHow Article: How to Inspect a Fuel Return Line