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Thread: Sporatic KR, <1.5, cannot duplicate.

  1. #1
    Tuner
    Join Date
    Dec 2008
    Location
    san diego
    Posts
    71

    Sporatic KR, <1.5, cannot duplicate.

    I had my car at the track (road course) a few weeks back and had up to 1.5 degrees of KR and the rest of it was under 1 degree. The 1.5 was on one session with a cell count of 1. The tune stayed the same for all 5 sessions on the track and what little KR I was getting never duplicated itself in the same cell(s)

    This sounds to me like false KR?

    Repeatable KR is what we are looking for right?
    *************************
    Scott in San Diego with a L-67 Super Stalker.
    Mods in the next month or so, yeah its a moving target!
    Gen 5 blower, N* throttle body, LQ4 MAF,3.4 pulley for starters.

  2. #2
    Tuner
    Join Date
    Sep 2007
    Location
    Brookfield, IL
    Posts
    139
    Was it hotter one day vs the other? Was the fuel the same? It might be false look for stuff banging around the exhaust / headers.
    2004 GTP: 3.8L SC, XP CAM, 85MM Maf, 105# Springs, 3.3" Pulley, Autolite 103's K&N CAI, 3" Downpipe: TOG Headers, #39 Cobra Injectors, ZZP Crate motor with CNC Ported Heads, NGK AFX Wideband

  3. #3
    Tuner
    Join Date
    Dec 2008
    Location
    san diego
    Posts
    71
    Same day over a 7hr period.
    Fuel from the same pump all day.
    Temp was ~65F all day overcast.

    I plan to play with the timing until I see repeatable KR and compare it to where I am now.
    *************************
    Scott in San Diego with a L-67 Super Stalker.
    Mods in the next month or so, yeah its a moving target!
    Gen 5 blower, N* throttle body, LQ4 MAF,3.4 pulley for starters.