http://www.lycoming.textron.com/main...modelCode.html

Jim

"PaulaJay1" wrote in message
...
In reading the "what oil do you use" thread, a question arose.

What do the letters/numbers after the O 360 mean?

There have been A2B, A3A,A4A,A4M,A1B6 And C1E6 listed.


The curious want to know.

Chuck


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