Got a Tower 40, .277 venture, T/Bolt long reach idle bar plug, 11x4 A P C prop2.5 Nitro 11 Castor, 11 Synthetic and the tach reads between 9100-92.5, 7and on 3.5 ounces of fuel it is running 6:45- 7:06, one more thing it is a Randy Smith P A needle assy...
This sure don't seem normal for this engine...
Suggestions???