Got the initial break in with no leaks, no drips, no errors. Tried three new carbs, QF-750, BG-930, Holley 1150 Dom, and yes the Dominator made more torque and horsepower on the little Y. Now for the tunnel ram and TWO QF-650's, or two QF-750's, or Holley 660's. Looking good so far. Joe-JDC