My 02 has started this lope thing twice after hard acceleration. Running ddp 100's with ejwa, FASS 95. As soon as you touch the pedal again or put it back in gear it's fine.
Ya I through mine in neutral at the end of the quarter once and it stalled. Had a hard time getting it going again. That's what makes me think the vp might b getting weak. Hope not.
Quit jumping off the throttle so fast and it will probably stop doing that. Mine does the same thing with Mach 6 and mechanical supply pump if I jump off the skinny pedal too quick.
I'd agree with the vapor lock. I've had a couple do this. If it's hard to restart, crack a couple of lines at the injectors to bleed them. Should start right up with cracked lines.
I run the iquad setup it's pretty hard to let off easy. It comes on hard and it goes off hard to. Not like my old drag comp. I like it's features though.
Not really a vapor lock its cavitation or hyro hammer. You ever turn on a hose and shut it off real quick. You can hear the hard water lines chatter. This is similar to what your doing with the pump. Easing off would stop this or stretch the full fuel out further.