Q: Hi Paul, I’m wondering if you’ve ever come across Aztecs with the right engine oil temperature running warmer than the left. I’ve had mine 11 years. The right side oil temperature is usually 190°, while the left is 160°. CHT is usually pretty even.
Mine came with louvers on the right side cowl, and I’ve seen other Aztecs with right side louvers, which made me think this is possibly a chronic Aztec issue.
Now I have two new engines, same numbers. Gauges and probes have been calibrated, bench checked, etc. Any ideas? [Read more…]