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Fuel Lines

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Old Jul 29, 2016 | 01:55 PM
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Fuel Lines

Does anyone know of something that will tell me which port on the fuel tank connects to which line under the car. As usual, my disassembly pics aren't good enough.

Herb
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Old Jul 29, 2016 | 08:27 PM
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Start by looking at page 4:2.

http://www.foxed.ca/rx7manual/manual..._Inlet_Exh.pdf
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Old Jul 29, 2016 | 08:28 PM
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12a or 13b? On 13b, largest hose from tank goes to line connected to fuel pump. Middle sized hose is the return. Smallest goes to charcoal canister. Just follow lines to where they connect to. Edit, the line that goes to charcoal canister has a valve type thing (name does not come to mind right now) near where it connects to the tank...that would make it easier to identify.

Last edited by craaaazzy; Jul 29, 2016 at 08:31 PM.
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Old Jul 29, 2016 | 09:26 PM
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Originally Posted by KansasCityREPU
I did. Not big enough and isn't all encompassing.
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Old Jul 29, 2016 | 09:27 PM
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Originally Posted by craaaazzy
12a or 13b? On 13b, largest hose from tank goes to line connected to fuel pump. Middle sized hose is the return. Smallest goes to charcoal canister. Just follow lines to where they connect to. Edit, the line that goes to charcoal canister has a valve type thing (name does not come to mind right now) near where it connects to the tank...that would make it easier to identify.
It's a 12a (SA22c)
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Old Jul 29, 2016 | 09:29 PM
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There's more plumbing there than in a nuclear sub. Isn't there anything that says that the anklebone connected to the shin bone, etc.?
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Old Jul 30, 2016 | 10:06 AM
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From: https://www2.mazda.com/en/100th/
iirc the supply line is 8mm vs 6mm for the other two?

the supply line will also have a pickup in the tank, and the vapor one wont, it'll just be at the top, not sure about the fuel return line
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