hey guys got the 110 race fuel in the M this morning to break her in on the dyno..runs so much better and doesnt diesel when you shut it off and it doesnt pop spit or bang when you open it up... i tried using the 35 venturie and it ran well but the choke had to be on 3/4 of the way to run good other wise when you would run it wide open it would rev up and down a little bit? i got 65 horse on the dyno with it the way it was but the choke was on and it would run perfect? but im going to try a smaller venturie like you guys said to so hopefully it will fix the problem?? what do you guys think?? i have a 27 and a venturie that doesnt have any numbers on it but its bigger then the 27 by a little bit? i have a 656 sitting in the yard and i think thats got a 29 maybe ? what would work ?? thanks guys! ill keep ya updated