Have to agree that 3/8" line is fine for the street and would also be fine for the strip in your application.
I also suggest either of the RobbMC pumps tho' the smaller of the two would supply plenty of fuel for you.
All that being said - if you elect to go with the 1/2" line I would go with the mechanical pump set-up. More reliable, easier to install.
Good luck, Jim
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65 Catalina sedan. Allen Thomas Performance 495. KRE Heads at 310cfm ported by SD Performance, ProSystems Dominator carb on ported Victor intake, P-Dude custom grind hydraulic roller, MSD ignition, 3.50 Moser/Ford rear. F-Glass front bumper by son Rob, rear by the old man and joint effort for trunk lid. 3950# w/driver. Best of 9.5761/139 on 175 shot, 6.01 /114 in 1/8.
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