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TPi fuel line size

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Old Mar 20, 2006 | 08:50 PM
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GTA350VORTEC's Avatar
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From: Staten Island NY USA
Car: Black on Black 1989 GTA
Engine: 5.7L Vortec TPi
Transmission: 6 Speed T56
Axle/Gears: 3:73
TPi fuel line size

I have recent ordered an additional inline fuel pump for my GTA, does anyone know what size the incoming fuel line is?(the line that the stock pump supplies fuel to that goes to fuel rail) I'm looking for the size of the line that is rubber that comes out of the tank, thanks.
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Old Mar 20, 2006 | 11:38 PM
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From: Racine, WI
I think the pressure line is 3/8", and return 5/16".
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