Mach2
New member
Hello all, new member. I own a 1978 C-172 N model. The airframe had 2,600 original hours when we bought it but the O-320-H2AD had classic lifter/cam spalling so we opted to R&R with a zero time O-360-A4M Penn Yann Superhawk package. The STC is straightforward and I can't say enough good about the good people at Penn Yann, they are excellent at what they do and their customer service is excellent. While waiting for the engine to be built we went completely through the interior and the aircraft is nearly as it came from the factory in January 1979.