Fueling & Injection Fuel Pumps | Injectors | Rails | Regulators | Tanks

Trying to understand a few things...

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Old Dec 18, 2005 | 09:44 PM
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Default Trying to understand a few things...

I had no luck searching for the info i needed so...

I have a 91 Camaro that i'm putting a LS1 into and i'm going to be using a LS1 plastic gas tank. I already took care of the fuel gauge problem, now i'm trying to understand how the LS1 fuel system works. I have the tank and sending unit but no lines. I know their are 3 lines that go from the tank, but only 2 go to the engine compartment. Also after the filter is a "T" connection. Is that the return line that goes back to the regulater?? picture of section i'm talking about(brake lines are attached still in image):



Next what is the 2nd line that goes up to the front of the car? Is this from the evap cannister? If so where does it go to and will i need it? I plan on having the car emissions legal.

Thanks,
Steve
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Old Dec 19, 2005 | 07:25 AM
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Three lines come out of the tank cannister. 1, a 3/8" od feedline that goes to the filter. 2. a return line that goes to the TEE block. 3. a 5/16 evap line that goes to the engine.
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Old Dec 19, 2005 | 11:14 AM
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where does the evap line connect to?
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Old Dec 19, 2005 | 04:36 PM
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Look at vertigo's post below this post. It connects to the evap solenoid.
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