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I am hitting 5000-5100 RPM's at WOT. Max recommended is 4800. The prop is a Stiletto Advantage II 14.25 x 19P. I have tried a 14.25 x 21P Stiletto and RPM dropped all the way to 4400 and I actually lost MPH. It seems that if they would make a Stiletto in a 20P, it would be absolutely perfect for...
I just received my new Stiletto Advantage II 14 1/4 x 19 prop via UPS a little while ago. It was a different part number than I ordered, and now has an XHS hub, just like a MerCruiser prop. It fit just fine, so I know it's the right one.
Does anyone know if EVERYTHING else is the same, such as...
I have a Mercury Vengeance 21 pitch prop on My Bayliner 175. It has a Merc 3.0L engine an Alpha 2.0 drive. I installed the Vengeance prop last summer and picked up 2.5 Mph over the factory Black Max of the same pitch. RPM come close to 5000 now, which is 200 rpm over Merc's recomendation.
From...
