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Old 02-27-2010, 01:16 AM   #3
talaposa
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Join Date: Feb 2010
Location: California
Posts: 2
Default Re: Engine potential

Does it backfire through the carburetor? If so it may be jetted lean.
Or it could be related to too large of a carburetor. When you hammer it on the road the engine sees a large volume of air and if there is not strong enough a signal it may run lean until rpm catches up.
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