> since nobody in GA wants to pay for better ones. Since nobody wants to pay to certify better ones. The engine in a Cessna 172 is going to run you $20-40k (2

> since nobody in GA wants to pay for better ones. Since nobody wants to pay to certify better ones. The engine in a Cessna 172 is going to run you $20-40k (20k rebuilt, 40k new afaict - check out [0]) - far more expensive than an automobile engine with 'equivalent' performance. The difference is that the Lycoming is certified by the FAA for use with your airframe. (And it'll work in whatever conditions you care to name, and with a car engine that's only a 'probably') 0: https://www.coronaengines.com/In-Stock https://www.coronaengines.com/In-Stock