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  1. #1
    Member
    Join Date
    Nov 2013
    Location
    Shady Shores, Tx
    Posts
    1,325

    Need help on prop selection

    I have a 2000 Nitro 929cdx with a '97 Merc 225 efi, currently running a 25p Trophy and it's just ok. Little slow out of the gates but not bad, at 5800 rpm gps shows around 65 mph. I have plugged the holes one at a time and didn't seem to make a big difference. Yesterday I picked up a rebuilt 5 blade 22p for tubing with my kids, I'll try it out tomorrow. So I guess my question is two fold, should I keep the 5 blade as a tubing only prop, and just try to find another for top end? If so, any specific prop you guys could recommend that I should try? Thanks for your time guys and looking forward to the replies

  2. Moderator 21XDC's Avatar
    Join Date
    Sep 2004
    Location
    Westland Michigan
    Posts
    63,351
    #2
    That 22P wont work well for you because the diameter is too small and a small barrel... Just my prediction. A 21-23P would have been a better choice as they are bigger diameter for your big block motor.

    I would try a 25P Tempest plus for speed and a 24 Bravo1 XS/FS or Razor4 XL for everything else.

    Marks Props 317-398-9294, 1850 East 225 South, Shelbyville, Indiana 46176 propellerman59@gmail.com http://www.marksprops.com/index.html