I haven’t had a chance to fly with it yet since my engine ended up needing an overhaul right after I bought the 760. I’ve messed around with it a bit though and I’m not really sure it’s that much different from the 796. It is a little lighter and it can be updated via WiFi but those are the...
It sounds like that FAA desk jockey is trying to make a name for himself, or justify his job, and is of the same caliber as the guy that grounded Bob Hoover.
I usually cruise around 2400 to 2500 rpm. I was surprised that it was the the number 3 cylinder though and not one of the front ones that run cooler CHT’s.
Not since I’ve owned it but I’ll check the logbooks. The 160hp STC was done around 500 hours ago so that included a top over all with refurbished cylinders.
I had read somewhere that gases getting past the rings into the crankcase can cause crud to build on the exhaust valve stems. Blackstone said that the the high chrome could be due to ring wear so maybe that’s what was happening. I guess we’ll find out more after they open up the engine and...