I AM RUNNING AN INTAKE OFF A '75 MODEL, BETTER THAN THE LATER ONES, FUEL DOES'NT PUDDLE IN IT.I BRAZED UP THE WATER PORT AND DID SOME PORT WORK ALSO. I AM RUNNING MSD DISTRIBUTOR ,6A BOX AND COIL.WEBER 36/36 CARB.WITH A CUSTOM GRIND 420 LIFT ERSON CAM BRINGS THE LITTLE MOTOR TO LIFE.