I just had a new 5.7 Vortec engine and a 100% new Alpha 1 Outdrive (1.47 ratio) installed into my 1987 Searay Sundancer 268 (27? cabin cruiser) (deep v-hull)
This was a $9,000 Repowering (now Im broke)
The engine revs to 4800 RPM (WOT) when it is out of the water.
On the water it only revs...