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What are these two lines?

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Old Mar 20, 2014 | 10:07 AM
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What are these two lines?
I know one of these is the return line to the tank but whats the other one?
Attached Thumbnails What are these two lines?-image-3765641921.jpg  
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Old Mar 20, 2014 | 10:26 AM
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https://www.rx7club.com/3rd-generati...sion;-1054690/
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Old Mar 20, 2014 | 12:34 PM
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looking at that picture makes me dizzy....which way is the front of the engine?
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Old Mar 20, 2014 | 12:39 PM
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Lol the longer line is the front of the engine
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Old Mar 20, 2014 | 01:50 PM
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looks like fuel supply and fuel return
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Old Mar 20, 2014 | 01:59 PM
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My fuel supply comes in from a steel braided line, these are something else i know one's return and the other one im trying to find out. I looked at the link in the first post and i guess its an emissions thing
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Old Mar 20, 2014 | 04:33 PM
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one might be for the PCV pipe that supposed to go to a nipple on the oil filler neck

and the other might be the throttle body coolant return line
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