What size fuel line?

[sjones73]

I am in need of a new fuel line front tank to motor.
In doing my research. I have found 5/16" and 3/8"

Which one?

 

[racerone]

??----What motor ?----A V-6 requires 3/8" hose.

 

[sjones73]

Sorry forgot the crucial information.
I am replacing my 70hp with a 90hp. So motor size is 90hp V4

 

[racerone]

5/16" will do.------If hose is long , go with 3/8"

 

[sjones73]

Thank you