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  1. M

    3 to 4 blade too much drop in RPMS

    I appreciate any help as I hate to spend money!! The boat is a 96 Mariah 5.7 non vortec with an alpha one 1.62 ratio. Weight is 3200 fully loaded. With the rapture 19 I spin 5000 rpms at 50 gps. I am trying to pick up some top end. I tried a 4 blade Solas SS 21 pitch. Everything was nice but the...
  2. M

    Will a Rubex hub fit a stiletto

    I have a Rubex 102 hub kit i was using on a Solas HR-4. Thinking about going to a Stiletto bay pro 2 and was wondering if that hub would fit? Merc alpha one
  3. M

    Whats going to happen?

    Here is the Boat 96 Mariah Z200 LTD 5.7 2 barrel carb alpha one with 1.65 ratio I/O. Dry weights is 2550 pounds. Currently does 50 mph( gps) at 5000 rpms. The prop is a MW Rapture 19 Stainless Steel, rebuilt. I picked up a cheap Rubex HR-4 21 pitch. I have not even seen the boat yet, but am...
  4. M

    Different Brand of 3 blade or go to 4

    As per my previous post; 96 Mariah Z200 LTD Shabah, 5.7l 1.62 alpha, weight around 2500 pounds. Current WOT is 5000 rpms at 49 mph. Current prop is MW rapture 19. I want more top end. I am not pulling skiers yet, just lil kids on tubes. Should I go with a differnt ss 3 blade in a 19 or 21, or...
  5. M

    Stiletto Prop interchange?

    I was just wondering if the prop is the same for a Mercruiser and a Yami, just different hubs? Could you buy a hub for a merc and put it in the Yami Stiletto and have it work?
  6. M

    Want more performance out of my Mariah

    I have a 96 mariah Z200 LTD 20 foot, with a 5.7l mercruiser alpha one. By the book the weight is 2550 pounds. I currently have a 19 pitch "Rapture" which has been reworked. My issue is that the top speed has never exceeded 50 in any conditions. GPS verified. The rpms are almost 5000. From what...
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