It's running about 10lbs at the moment, the new pulley should get it up around 14lbs or so. I'm not sure if the factory NA fuel pump will be up to the task though.
I only really got you off the line, once we were moving, it seemed pretty level - The instant torque of a ZE combined with the traction of a mr2 works pretty well off the line. Shame about the weight of the car though...