Hi,
I'm doing an R2.8 install on my 1981 jeep scrambler and noticed something odd in the manual for fuel line sizes. In the manual it specifies that you should use 3/8" ID tubing for the supply line and 5/16" ID for the return.

This seems odd to me since tubing is measured by outside diameter.
Also the youtube video on fuel system at 4:40 says the supply line is 5/16" and return line is 1/4".
Anyone know what fuel line sizes are actually needed?
Thanks!
I'm doing an R2.8 install on my 1981 jeep scrambler and noticed something odd in the manual for fuel line sizes. In the manual it specifies that you should use 3/8" ID tubing for the supply line and 5/16" ID for the return.
This seems odd to me since tubing is measured by outside diameter.
Also the youtube video on fuel system at 4:40 says the supply line is 5/16" and return line is 1/4".
Anyone know what fuel line sizes are actually needed?
Thanks!
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