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Old 10-15-2006 | 01:30 PM
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gunfighterII
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From: Lincoln, NE
Default RE: OS 91 4 stroke pumped problems
My well broken in O.S. 91 Pumped Surpass runs a little rich at 3/4 turn out from closed with a 15-6 APC. My U-Can-Do 60 is just a perfect match for this engine. It seems to have a very narrow adjustment range, with 1/2 being the lean point.
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