Jaketab

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Bob,

Thanks for the tip. I'm using Yamalube for break-in. I've been monitoring the temps with an IR gun. As long as I stay at mid-range rpm, the temps remain under 200 F. The engine is on a stand with no obstruction to air moving over cylinders.

Top rpm is 4230 with a 32 x 19 SEP prop.

Yes, #3 has been consistantly lower, but during the last run this evening, the temp came up some.

Would it hurt or help if I rotated the engine while on the stand so that the #3 cylinder is in a more upright position????
In theory, that may bring it's temp up and help seat it a little faster?????

Thanks - Jaketab