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Old Aug 15, 2012, 08:37 AM
aspeed is offline
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Canada, ON, Cottam
Joined Jan 2012
1,931 Posts
A large carb hole will spit out the carb because it just can't take all the fuel getting pushed in. Also muffler pressure can still be pushing fuel through. It will maybe be less spitting if it is not run on pressure no matter what type.(muffler, bladder or backplate.) If the carb hole is too big, then it likely will not run well without muffler pressure. Most motors now have a fairly big carb to get more performance.
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