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Old 11-27-2011, 04:33 PM
Benscamaro Benscamaro is offline
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Gas tank and sending unit question

I took the old tank off my 78 Camaro and the sending unit has one line. The car originally had a 305 and did have A/C. A 350 was put in and the A/C was at some point connected.

The new tank has a vapor line that is cut at the back. The recommended sending unit for a 78 (350) with A/C is a two line unit. That gives me three lines coming off the tank and only two lines from the engine.

So, do I cap the line at the back since the sending unit has a return?
Do I use a single line sending unit and bring a tube from the cut off to the front for the second line from the front of the car?
Do I need to use both the sending unit lines then need a third (and where would it go) line?
Lastly - Is there a manual that would help me find the answer?

Thanks in advance
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