Results 1 to 3 of 3
  1. #1
    Haven't fallen yet. MJE's Avatar
    Join Date
    May 2007
    Location
    Buzzards Bay, Massachusetts
    Posts
    467
    +1
    40

    lowell ported ski...should i do exhaust mod?

    I know in the past you guys have recommended against the direct exhaust connection...I was pulling my stock one out today to clean and replace one of the plates that hold my ride plate on and I wasn't sure if while I had it out if theres anything I should do. I have the jetworks mod installed on both machines...not sure if that makes a difference for a "free flow exhaust mod"..

    thanks,

    Mike


  2. #2
    Happily Self-Employed WFO's Avatar
    Join Date
    Nov 2005
    Location
    Houston, Texas
    Posts
    12,799
    +1
    449
    You definately want a freeflow with that ported motor, so you dont detonate a piston

  3. #3
    philip_gpr's Avatar
    Join Date
    Dec 2005
    Location
    Canada
    Posts
    2,724
    +1
    3
    what year ski?

    what ignition?

    what timing?

    what compression?

    what octane fuel?

    I hate the free flow because it is so loud - so instead of using it to reduce my risk of detonation I lower the timing on my ignition curve - I also have easy access to 94 octane fuelso that helps to.

Thread Information

Users Browsing this Thread

There are currently 1 users browsing this thread. (0 members and 1 guests)

Similar Threads

  1. what mods should i do next if i only have bout 500 to spend
    By soldierpage in forum 4-Tec Performance
    Replies: 22
    Last Post: 03-12-2011, 07:05 PM
  2. Ski sat for long time, what should I do?
    By TheEngineer in forum 4-Tec Performance
    Replies: 10
    Last Post: 11-02-2010, 11:08 AM
  3. What mods should I do?
    By wavehummer in forum 4-Tec Performance
    Replies: 1
    Last Post: 04-02-2007, 08:56 AM
  4. What mods should I do to my stock 97 GP1200..
    By 2lick in forum Yamaha Open Discussion
    Replies: 7
    Last Post: 02-11-2007, 08:28 PM
  5. Can i do the exhaust mod?
    By DeeGee in forum 4-Tec Performance
    Replies: 2
    Last Post: 06-19-2006, 07:56 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
  •