Since you're able to keep the engine running with the spray, it's almost certainly a lack of fuel that's causing it to die. Keep checking the rest of your fuel supply system and maybe measure your fuel pressure to make sure that the carb isn't just running out of gas because the fuel pump can't keep the float bowl full.

95 Montero SR
3.8 MIVEC, Advance headers, 2 1/2" exhaust, Magnaflow muffler, OME shocks & rear springs, 2" body lift, 3" tank lift, 4.90s, TRE front locker, factory rear locker, Roger Brown Rock Sliderz, 315/75r16 (35") tires, Sport big brakes