C172 H to 180hp
I upgraded from Continental 0-300-D 145 hp to Lycoming 0-360-A4M 180 hp.
Enormous difference. Speed up from 95kts to 115 kts fuel now 33 ltr/hr. climb 1000 ft per min 18 mins to 10,000ft
Was the Air Plains conversion. Excellent kit . Highly recommended