My current set up is a blown gas 540 cid in a Kurtis flat. I made a switch from an 871 to a 1471. I bought the 1471 used from a guy that ran injection on it. He didn't tell me at the time that the top inlet on the blower case had been milled an extra two inches toward the front of the blower. I was going to run my dominators on it but when I put the carb spacer on top, there was a two inch gap. Here's my problem. I have to have a spacer made to compensate for the extra milling. OK, I'm fine with that but, I was also told that I would need to feed the front part of the rotors with fuel or it will burn up. It would require two extra fuel lines plumbed into the case. Is this true? I don't know how this could be done with a carb setup. Do I have to go to an injector to make this blower safe to run on gas? My primary usage is river and lake use. It would get a fair amount of running time.