How about 2 pumps? I use a Carter mech pump on the Cuda for street driving. But it won't feed the Dominator through the gears at the track.

So I installed a Holley pump back by the tank with a micro switch on the carb that is actuated by the lever on the carb's secondaries. I also have a manual override switch under the dash, just in case.

The mech pump pulls through the electric just fine. The electric lasts forever with only intermittent use and I don't have to listen to it running all the time.

I have used this kind of combo on several different cars over the last 30 years or so with no problems.