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Old 10-05-2009, 11:45 AM
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1974 Nova Fuel lines

I have done an engine swap on my 74 Nova. Just put in a sbc 355. I noticed (didn't pay attention before) that I have two lines running along the sub frame. One is larger than the other. Is one a return line? If so where do I run it. I have the fuel line hooked up to the fuel pump, and from the pump to the carb. Just at a loss with this. I ask the Nova site and no one could give me the answer. Thanks for your help.

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Old 10-05-2009, 12:13 PM
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I'm pretty sure that other line should be the tank vent that went to a charcoal canister.
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Old 10-05-2009, 01:33 PM
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It's a return line, they bled pressure off the line to prevent heat soak. if your fuel pump has no provisions for a return line, you can plug it with the appropriate gas resistant cap. or simply put a bolt in the hose with a worm gear clamp around it, but it really is a good idea to run thepump with the return line on a daily driver!
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