Fuel line questions

Discuss topics related to the CA18DE and CA18DET series engines.
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Spectre_240sx
Posts: 261
Joined: Sat Mar 08, 2003 6:42 am
Car: 1990 240sx SE
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Well, I finally got all the old fuel lines ripped out of the car, and I'm working on putting new ones in. I'm not sure on what I should install for new line though... I'm going to be running a walbro 255lph pump and eventually 550cc injectors. Will 3/8in line be large enough? I'm guessing yes... would it be too large? Also, does anyone know the correct color coding for the fuel line? I was thinking red for sending line and blue for return/vent line... is there a standard that I should be following as far as colors go?


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CA19DET
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red for fuel, blue is usually N20, but i say go for it.

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Spectre_240sx
Posts: 261
Joined: Sat Mar 08, 2003 6:42 am
Car: 1990 240sx SE
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Yeah, that's what I thought I'll probably just go red then. Any idea on the size of the line itself?


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