I'll tell ya.............I just don't see the idea of a front mount electric pump. The entire advantage of a rear mount pump is to NOT have the supply tube UNDER VACUUM which promotes vapor lock/ fuel boiling.
Even in my lame, arthritic years of coming up on 65, I was able to mount a rear pump and wire it up in an "extended" morning. And I move pretty slowly and deliberately, nowadays.
I'm not running EFI, but when I had the Ed 6xx cfm on the car, the smartest things I did was to use a rear mount pump, a carb insulator, and hook up a vapor return with the Wix 33040/41 filter.