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Thread: My log & tune @ track 12.06

  1. #41
    Lifetime Member SSpdDmon's Avatar
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    Quote Originally Posted by Ls1_Rulz View Post
    ok .. what about the KR when the converter lockup ??

    the timing at this point only 16*
    The converter shouldn't be locked up...you'll have to adjust your apply/release tables.

    When you're giving it >30% throttle at 1300~1600 rpm and the converter is still locked up, you're going to put a lot of load on your motor. With an aftermarket camshaft that doesn't have the low-end grunt the stocker had, it's just too much sometimes. That's why you're seeing KR IMO. What you need to do is command the converter to unlock in those low rpm, high load situations. I posted an Excel worksheet somewhere on here a while back to help visualize the shifts along with the lockup. Try using that...

    http://forum.efilive.com/showthread.php?t=5876

  2. #42
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    helllooo

    My car now not the same car before i love it

    can you give me more help this my last log

    ( i get alot of KR only when the engine above 200F

    and this my last log file with last tune file you post
    take a look to the file
    Attached Files Attached Files

  3. #43
    Lifetime Member SSpdDmon's Avatar
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    For the most part, things look good. AFR wise, keep playing with the VE. You're AFR's are pretty close. But, they could be a little closer.

    With regards to the KR, I think there's a couple things going on. One, like I mentioned before, the torque converter being locked at low RPM's is going to generate some KR with your cam. If you haven't adjusted that, you should. Two, you say higher ECT's. I think it's higher IAT's (they kind of go hand in hand). You may need to do an IAT relocation if your IAT is getting heat-soaked. Ideally, when you're cruising around, your IAT's should be within 5 degrees or so of ambient temps. When your IAT's read 104* on a 72* day, that'll create some issue. And three, if those two solutions don't help enough, then you may need to pull more timing out of the high/low octane tables. REMEMBER, the car runs off of the low octane timing table in SD.

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