As it happens I am literally today organising buying a new prop for my 1975 Archer II currently nearing completion of a complete refurb at Ft Lauderdale Executive.
The prop is a 60" pitch too, the 62" came for later airplanes - mine is FAA registered, not sure if one can fit a 62" pitch prop on it i.e. that it has been STC'd - if anyone knows it had I would be interested to hear.
If upping the cruise is the objective, I agree - go for speed mods - I have none of mine but it is/was very well rigged and has flush fitting door, cowl etc. I could make 115kts at 75% and occasionally would get close to 120kts at various altitudes.
Was thinking of adding some to mine but the costs are already past US$100,000 (don't ask!) and almost three years so kind of given up on that - the prop came as a nasty surprise last weekend - seems it "lost" half an inch on its diameter somehow over the past twenty years
