Some 1050's are set up for 1 X 4, 1 to 1 on the opening. The 2 X 4 carbs have a softer opening. Just thinking that may work best on my jet boat where you are in and out of the gas a lot. May save some fuel if them 50 CC pumps are not pumping all the time.
Any one ever run one in a single 4 set up?