If this is your first visit, please click the Sign Up now button to begin the process of creating your account so you can begin posting on our forums! The Sign Up process will only take up about a minute of two of your time.

Follow us on Facebook Follow us on Twitter
Results 1 to 3 of 3
  1. #1
    Join Date
    Jan 2004

    Hp500 improvements

    I have a 2002 Donzi 33 zx with a pair of Hp500 Efi's,... looking to maybe putting whipple superchargers on them,... what else can be done to them if you dont want to spend the $$$ for the whipple's????? any ideas??



  2. #2
    Forum Regulator VIP Member Sydwayz's Avatar
    My Boats:
    17' Speedliner Cat & O.P.B.
    Join Date
    May 2001

    Re: Hp500 improvements

    Thow out your GPS speedo, and install a pitot tube speedo. You will go at least 10mph faster.

  3. #3
    Rob VIP Member Strip Poker 388's Avatar
    My Boats:
    Hustler 388
    Join Date
    Aug 2001

    Re: Hp500 improvements

    How many hours on your motors now?

    I just went thru the same thing .The Whipple will cost a little more in the end . Some I have seen did the 540ci kit and some even change to alum heads .I think there only getting 600-630hp

    ck out my engine thread .I am in the middle of it now.

    Hustler 500efi engine tear down & Build Up

    You can do a search on 500efi and there are some other threads on build up also.

    Boost makes up for Cubic Inchs

Similar Threads

  1. For JC, FX10 - SB improvements
    By krakmeup in forum Superboat
    Replies: 8
    Last Post: 01-20-2005, 11:26 PM
  2. Tell insurance about HP improvements?
    By GO4BROKE in forum General Boating Discussion
    Replies: 23
    Last Post: 10-07-2003, 01:42 PM
  3. Improvements for 575sci's
    By mcraymond3 in forum General Q & A
    Replies: 5
    Last Post: 05-01-2003, 07:08 AM
  4. possible improvements
    By wesley t in forum General Boating Discussion
    Replies: 3
    Last Post: 04-14-2002, 12:41 PM

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
OSO Sponsor
OSO Advertisers

OSO Directory
All times are GMT -5. The time now is 12:26 PM.
Powered by vBulletin® Version 4.2.0
Copyright © 2017 vBulletin Solutions, Inc. All rights reserved.
Search Engine Optimization by vBSEO 3.6.1
Original Poster In Postbit provided by Original Poster In Postbit v1.0.0 (Free) - vBulletin Mods & Addons Copyright © 2017 DragonByte Technologies Ltd. Runs best on HiVelocity Hosting.
Copyright 2011 OffShoreOnly. All rights reserved.