Arnie, 38 nozzles, -1 pump 6.48 gpm @4000, .084 main and ..064 high speed in a spring loaded jet can opening at peak torque, about 52 psi. AFR is 4.8 at peak torque and 5.1 at 7000.
Thanks Jeff. I had the launch rpm set at 5000 with the 528 and the new motor pushed it to 5500 rpm with the same throttle setting. So things may be interesting.