Send Berky here on the X a PM. He's doing some stuff with a Stock pump thats crazy, his pump hooks up like a mag.
I ran a stock 144 pump, ported a little, Big hub Skat 13/18, no TBM, Pro Tec reduction nozzle on my 860cc 6mil XS/ADA motor, TL, Avgas, dual 46's, b pipe. motor/pump was perfect...