Hi All,

I did a run-up this morning (34F outside, but the airplane was in a 50F hanger all night) and the drop was about 300 on the Right and a more typical 140-ish on the Left.  Normally it's about the same 140-ish drop on both sides.

It was also running rough on the Right and I noticed the EGT's for #1 and #2 were much colder (Maybe 250F to 300F) than #3 and #4.

All other engine parameters were normal (oil temp was about 130F to 135F).  The engine/airplane has about 80 total hours on it and I did an oil change 2 weeks ago (oil analysis was fine).

Thoughts?  Things to look at?


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