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Message: <blockquote data-quote="joedrum" data-source="post: 126620" data-attributes="member: 98"><p>well let me say .. mine the plugs are looking great ...and mpg is in the 35 range ... i also think maybe the bowl venting is not enough somehow for oldwing motors ... not sure at the moment i am running carb dry as stated ... i am thinking seriously of modding in more venting in carb bowl...just not quite sure yet ....it seems these modded 1200s are quite the suction pumps on the carbs and might be whats going on with your carb ... more motor related than bad carb ...just guessing ...but it is worth noting i am having some what same problem as you maybe ... even eric can tell you with stock carbs there was a huge miss match in vac signal to stock carb set up ... and he had to reduce the vac to slides to keep the slides from raising all the way from part throttle ... these 1200 modded motors are different breed totally from stock ....</p></blockquote><p></p>