Aux. fuel tank install question- vent line?

DomSmith

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I'm finishing up a Long Ranger aux fuel tank install on my 73 40 and need to "T" into a vent line. Instructions say "Tee from expansion chamber (on Aux tank) into vent line on original tank." Anybody know which line would be the correct one? I've included a schematic of 73 smog. Thanks. BTW- the long ranger instructions SUCK!
73smogschematic.jpg
 
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Desertdave said:
that any one of the three vent lines that go to the plastic chamber from the tank will work fine for venting..
Isn't at least one of them designed as a fuel return to the tank?
 

65swb45

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I would use the one furthest to the right, the one that goes up and curves over by the fuel and vapor separator and goes into the side of the filler neck.
 

DomSmith

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Thanks Mark. I'll try that one. I scanned the schematic from the 1973 Toyota Emissions Manual I had to dust off and took 30 minutes to dig up. I should have just used the Haynes... damn it!
 

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