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Fuel Tank Sending Unit Outlet Size
https://slantsix.org/forum/viewtopic.php?t=26445
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Author:  LASwinger70 [ Sun Dec 30, 2007 12:19 pm ]
Post subject:  Fuel Tank Sending Unit Outlet Size

I have two options, 3/8" or 5/16" from Napa (Autozone and Kragen show the same options). I crawled under car to measure and I am still not sure. There is a difference in cost of $23 (3/8" being cheaper).

Is there any performance difference or fit difference? It is only a 1/6" difference and there is 5" of rubber hose in between the unit and the hard fuel line, so it should fit on there.

Author:  DusterIdiot [ Sun Dec 30, 2007 12:32 pm ]
Post subject:  Stock vs...

Stock slant cars got the 5/16" line, the 3/8" was for the performance cars.
If going EFI you might consider the 3/8" version.

The choice is up to you, as your fuel lines under your car will be 5/16".

Good luck,

-D.Idiot

Author:  SlantSixDan [ Sun Dec 30, 2007 1:00 pm ]
Post subject: 

You definitely don't need 3/8". Only the biggest, hairiest, ragged-edge-of-street-driveable big block V8 engines need 3/8". Use the 5/16" and save yourself the hassle of adapting different-size lines.

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