Results 1 to 5 of 5
  1. #1

    How high on RPMs can a stock 4 tec go?

    Want To get a little more speed out of my GTX supercharged.Heard Of modified ECUs. Any Input or Suggestions??

  2. #2
    Branden's Avatar
    Join Date
    Aug 2014
    Cape Coral, Fl
    i have been spinning my stock motor to 9k for a while now with nothing more than good springs and retainers.

  3. #3
    WOW!!!! How did you get to 9g??

  4. #4
    OK. I see your Specs

  5. #5
    boost junkie skidoochris's Avatar
    Join Date
    Mar 2012
    Davison, Mi
    9K is common around here
    now 10K is spinning ...

Thread Information

Users Browsing this Thread

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

Similar Threads

  1. How high can you spin stock springs with better retainers?
    By imp0ster in forum 4-Tec Performance
    Replies: 41
    Last Post: 07-21-2013, 12:48 PM
  2. can some one school me on rpm and how they are produced
    By 4pinwink in forum 4-Tec Performance
    Replies: 12
    Last Post: 07-05-2012, 10:30 PM
  3. can a stock ecu just go bad?
    By jdavis in forum 4-Tec Performance
    Replies: 29
    Last Post: 07-02-2011, 07:32 AM
  4. how high can these motors go (rpms) on stock valve train sho/fzr
    By wave15stx in forum Yamaha PWC Performance (4-stroke)
    Replies: 2
    Last Post: 06-20-2010, 02:44 PM
  5. Can someone post a how-to on how to remove mikuni carbs from an xl800?
    By ctheodores in forum Yamaha Open Discussion
    Replies: 3
    Last Post: 03-18-2010, 04:00 AM

Posting Permissions

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