In article hMPRe.8089$__1.6277@trnddc07, wrote:

For a given airframe, going from 150 to 160 hp will have a negligible impact
of cruise speed. Maybe a couple of knots in this category of airplane. The
bigger difference will be in climb performance.

unless you change the prop. My 140 with 160hp engine and the 60 inch prop
(same combo as the warrior) cruises faster and climbs better than it did
before the conversion.

--
Bob Noel
no one likes an educated mule