Page 1 of 3 123 LastLast
Results 1 to 10 of 24
  1. #1
    HOSS's Avatar
    Join Date
    Aug 2005
    Location
    Kenner, LA
    Posts
    4,700
    +1
    21

    Throttle Body bore size

    I am sending my throttle body out today. I know I am cause its here on my desk. But anyway. I want to go 58mm but am concerned about idle quality. Has anyone gone 58mm without an idle issue? How big can I go safely? 60?62? I ride in rough conditions and will not sacrifice idle quality nor durability. I am also using a stock ECU.

    Thanks,

    James Roos


  2. #2
    Site Admin Green Hulk's Avatar
    Join Date
    Apr 2005
    Location
    Morgan City, LA
    Posts
    34,994
    +1
    1,903
    James, 56 is proven to provide good idle and better throttle response. I think if you went to 58mm you would be fine.

  3. #3
    HOSS's Avatar
    Join Date
    Aug 2005
    Location
    Kenner, LA
    Posts
    4,700
    +1
    21
    Talked to Daniel and I`m going 56mm. Thanks Jerry, but I better stay at 56 till I get everything dialed in. I have my hands full with this ebay intercooler. Got the rear plugged and filled with water to test for leaks.

    Jerry, are you staying with the stock ECU on your wife`s ski? And if so are you trying a 58mm or have you tried one on anything?

  4. #4
    how about the butterfly leaf in throttle body, do you modify it?

    ps. if you have pics of throttlr body after mod plz post it :P
    i'll do mine too... \/

  5. #5
    HOSS's Avatar
    Join Date
    Aug 2005
    Location
    Kenner, LA
    Posts
    4,700
    +1
    21
    He stamps a new blade.

  6. #6
    David 1 FAST VE's Avatar
    Join Date
    Jun 2005
    Location
    Southaven, MS
    Posts
    1,958
    +1
    1
    I will have my 58mm this week, and can post up some pics.

  7. #7
    HOSS's Avatar
    Join Date
    Aug 2005
    Location
    Kenner, LA
    Posts
    4,700
    +1
    21
    So your the one he`s doin it for right now? Are you using a stock ECU? Cause I told him to give me 24hrs to think about 56 or 58.

  8. #8
    Do you have your A/F gauge goign Hoss ? Doesn't the TB boring cause your ski to run leaner ?

  9. #9
    HOSS's Avatar
    Join Date
    Aug 2005
    Location
    Kenner, LA
    Posts
    4,700
    +1
    21
    lean makes power,,,,,,,and also heat. I cut the front of my ski open and inserted a 55 gallon drum for my intake. I`m going for MAXIMUM performance.

  10. #10
    HOSS's Avatar
    Join Date
    Aug 2005
    Location
    Kenner, LA
    Posts
    4,700
    +1
    21
    Quote Originally Posted by Kinchyle
    Do you have your A/F gauge goign Hoss ? Doesn't the TB boring cause your ski to run leaner ?
    In all seriousness Kanuck,,,I am worried about it. NO LIE! I have the gauges coming and will try stock injectors and stock ecu. If no worky I`m gonna have to dive in on injectors and if that won`t cut it ,,,,damn ecu.

Page 1 of 3 123 LastLast

Thread Information

Users Browsing this Thread

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

Similar Threads

  1. I tested the bored throttle body
    By Green Hulk in forum 4-Tec Performance
    Replies: 78
    Last Post: 01-17-2009, 03:08 PM
  2. Bored throttle body
    By Green Hulk in forum 4-Tec Performance
    Replies: 61
    Last Post: 09-10-2007, 01:01 PM
  3. Big Bore Throttle Body...
    By GeoRXT in forum 4-Tec Performance
    Replies: 14
    Last Post: 09-22-2006, 07:35 PM
  4. Bored throttle bodies?
    By Ronn25 in forum Yamaha PWC Performance (2-stroke)
    Replies: 1
    Last Post: 05-08-2006, 09:10 PM
  5. boring the throttle body
    By Chezzy in forum 4-Tec Performance
    Replies: 5
    Last Post: 04-02-2006, 09:10 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
  •