Step Up Performance With This Upgrade
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IRCHA 2009 and he told us our midrange is going to end at about a 1/2 turn of the needle and that the high needle is going to end up about 1 1/2 to 1 3/4 turns. We are not used to seeing the needles that lean so the regulator appears to be delivering the fuel very efficiently. If you go with the carb upgrade as opposed to a new engine, and you have run the break-in process already, there is no need to richen up and go through the break-in process again. You are ready to just lean out and jam! LinksO.S. Engines, distributed exclusively by Great Planes Model Distributors, www.osengines.com, (800) 682-8948 |