that may work, but the best thing you could do for it is send it to Rex welch[racer 22] mine came back with BOTTOM END! more mid-top and fuel mileage. Since I got the gxII-ho the comparison between the 2. almost identical bottoms/mid about the same/top I would say mg-66/fuel mileage for now goes to the modded mg-66. If I'm easy on the throttle I'm at the 14 min+ mark. the go-ho is 10-12 max. But as the go-ho breaks in the mileage seams to be increasing. For us in the U.S. the choice is obvious,go-hoII. There is no mg-66 support. But if you get your hands on an mg have it modded you will not be disappointed. My favorite and most under rated engine is the gxr-3port. Mine came back from rex with more of everything[as it needs more bottom] I have run it geared up to an 18 tooth bell with still insane bottom. But most of all is the fuel mileage. My best was over 16 minutes,no sh%t!! Whats best about it is it lets me put the power to the ground where it belongs.