I haven’t messed with weldon pumps for a loooong time. They are all overpriced, and most of the automotive race pumps were not rated for continuous duty. The aircraft pumps are priced accordingly... Now understand, I haven’t even looked at a weldon pump since the 1990s! Things could have changed.
Yes we are boosted. Base pressure is set at 50 psi, plus (so far) 13 psi topped on that with boost.
This on E10 gasoline.