Results 1 to 4 of 4

Thread: LS2 402 lean idle

Threaded View

Previous Post Previous Post   Next Post Next Post
  1. #1
    Junior Member
    Join Date
    Jan 2004
    Posts
    10

    Default LS2 402 lean idle

    How much overlap is too much to tune using factory sensors in closed loop? Idle AFR is ~ 18:1 on wideband. MAP reads ~65kpa at idle. Cam has about ~20* of overlap.

    AFR225 heads, LSX intake, 90mm TB, 1 7/8 headers w/ 3" duals and an H-pipe.

    Here is a link to a log setup for autove. www.fast-ta.com/tune/402/misc/autove.efi
    Last edited by white2000ta; April 2nd, 2006 at 05:04 AM.

Similar Threads

  1. WB showing way lean @ idle
    By Afterhours Performance in forum Gen III V8 Specific
    Replies: 7
    Last Post: November 29th, 2009, 05:39 AM
  2. can a lean idle or going lean during light cruise harm the engine?
    By ryans1000 in forum General (Petrol, Gas, Ethanol)
    Replies: 10
    Last Post: November 3rd, 2009, 01:44 PM
  3. Running Lean at Idle
    By mikeyayell in forum Gen III V8 Specific
    Replies: 14
    Last Post: December 28th, 2007, 07:55 AM
  4. Very lean at idle RPM/MAP problem
    By jnorris in forum General (Petrol, Gas, Ethanol)
    Replies: 111
    Last Post: February 17th, 2006, 10:29 AM
  5. Lean idle?
    By Texas Terminator in forum General (Petrol, Gas, Ethanol)
    Replies: 3
    Last Post: February 2nd, 2006, 10:06 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
  •