I have a Cessna 172R and the oil temperature fluctuates from minimum to maximum constantly until shutdown.
What timing should I use in my engine?
Read this very carefully before taking any action: Remember, you’ll be taking more horsepower out of your engine with the increased compression ratio, therefore you’ve got to increase the engine fuel flow amount to support the additional horsepower. Failure to do this could result in severe damage to the engine and possibly cause engine failure.
Still hunting for why my engine won’t hold its RPMs
My 800 hour Since Major Over Haul (SMOH) Lycoming O-540-C4B5 engine won’t hold its RPMs. We’ve done several things to find the problem, but we’re still hunting.
Ask Paul: Finding the correct oil cooler inlet on my airplane’s engine
“I do not understand the the oil routing to allow the thermostatic valve, located in the filter adapter, to control the oil flow to or from the oil cooler, from ports not located on or near the thermostatic by pass valve.”
Five factors to consider before overhauling your engine
There are so many factors that must be taken into consideration when making a decision to overhaul an engine, and each engine must be addressed individually.
Ask Paul: Help with timing
When setting the timing on an Lycoming AEIO-360-A1E engine, do I align the 25° line on the starter ring with the centerline of the engine case and do I align it with the top or bottom of the case?
Ask Paul: A reader tip may solve the problem
A reader’s solution for his engine troubles highlighted in a recent “Tips & tricks from our readers” post may hold the answer for this aviation maintenance pro and the engine problem that’s frustrating him.
Ask Paul: The trouble with troubleshooting
Our engines expert Paul McBride helps troubleshoot a perplexing problem with an engine on an owner-maintained airplane.
Ask Paul: More on removing vacuum pumps
Thanks to a good friend who acts as my “conscience” for my posts, I’ve been advised that I may have mislead those who may be thinking about permanently removing a vacuum pump in a Lycoming engine in a Piper Arrow III.