Magnum carb fuel system in early Abody.

Not trying to change the subject but you know that you have you use a LA timing cover and accessories to use a mechanical fuel pump right? If so, I think it wouldn't have a problem running with a 5/16" line and mechanical fuel pump. I have a 3/8" line and and the cheapo mechanical pump on a mildly hopped up 5.9 but it is still 5/16" coming out of the pump. No problems whatsoever.