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Thread: Can I get some help with tune?

  1. 07-11-2009 #1
    brodycog
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    Can I get some help with tune?

    I did about 45 mins of logging and I have a very vague idea of what to do with every thing. Heres my tune and histgram if anyone cares to take a look at it. Id appreaciate your advice on what to do with fuel and timing
    Thanks in advance...
    Jay
    Last edited by brodycog; 07-15-2009 at 07:05 AM. Reason: added attatchments
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  2. 07-11-2009 #2
    brodycog
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    I forgot to add its a 1998 grand am with ld9 2.4 .04 over 10 cr pistons, polished head 1mm oversized valves, cams 415L 219 dur intake 390L 206 dur exh. 58mm tb
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  3. 07-12-2009 #3
    brodycog
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    Fuel issue was worked on I had my math backwards. Now I set my afr to about 12.7 from 3600 to redline 12.7/13=.97656.... IS my new mulitplier
    Labels 1200 1600 2000 2400 2800 3200 3600 4000 4400 4800 5200 5600 6000 6400
    PE Mult 1.00000 1.00000 0.99219 0.98438 0.98438 0.98438 0.97656 0.97656 0.97656 0.97656 0.97656 0.97656 0.97656 0.97656

    This is more consistant then the way I had it before. Is 12.7 a pretty good afr or should I add more fuel?
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  4. 07-14-2009 #4
    brodycog
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    no opinons? anyone?
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  5. 07-15-2009 #5
    brodycog
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    no advice at all?
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  6. 07-15-2009 #6
    brodycog
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    i'm not looking for handouts but a starting point. I dont know exactly what I should do to tune the timing. Ive been reading on the forums and I havent found anything yet that really explains it very well. I'm just looking for push n the right direction. Thanks
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