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Thread: Another tuning question, with SAFC

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  1. #1
    JDM swaped shortbus Big J's Avatar
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    I run a data logger and as few correction points as possible. I put them at rich and lean peaks and then bring it in check at those points. I think I have 4 points covering 3500 RPMs in open loop. It's quicker than tuning a point every 400 rpms,1 adjustment at one point affects a larger range. It works for me better than tuning a whole **** load of points.

  2. #2
    Senior Member | IA Veteran Catnip's Avatar
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    Quote Originally Posted by Big J
    I run a data logger and as few correction points as possible. I put them at rich and lean peaks and then bring it in check at those points. I think I have 4 points covering 3500 RPMs in open loop. It's quicker than tuning a point every 400 rpms,1 adjustment at one point affects a larger range. It works for me better than tuning a whole **** load of points.
    So I should have bigger intervals? I had a 1000 rpm interval at one time and it would go insanely rich before it hit the RPM of the next interval. I brought the points a little closer after that and it stayed a little more steady. Am I missing something? (not trying to come off like I'm not listening, just wondering.)

    What do you mean with the second sentence?
    '92 C2500 6.5 Turbo Diesel | '96 240sx

  3. #3
    MarJaC RacN Paree4g63's Avatar
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    custom tune FTW! give you props for learning/trying the routine but I still think nothing beats a custom tune in person.

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