I do not have an LS7
But I find most people, myself included, are running a AN -8 from the tank to the fuel rail on LS motors.
If you are running a return system at the fuel rail back to the tank...AN -6.
I have mine dead headed at the fuel rails, so I have -8 to the rail. The regulator is next to the tank and I am running a -6 back into the tank.
Here is a shot...although I have since changed all lines to the high dollar stuff to eliminate the gas smell
Last edited by Payton King; 12-03-2010 at 10:41 AM.
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