Considering Holley sniper EFI for my 1969 340. Thoughts from people who have that set up?

I have the retrofit module that Holley sells to replace the stock sending unit. Maybe it's the special absorbent sock they use or the pickup, or maybe it's because I always run on the top 3/4s of the tank in every vehicle I own, but I have never had trouble with the pickup losing suction. I drag race and street drive my car.

Cley