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About gammey4

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    Tuning Guru

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  1. Random thought thread

    John I’ve been out of the loop for awhile now, but what problems are you having? Work/Army has kept me retarded busy over the last two months. Send me a text if you still have my number.
  2. Happy New Year All!!!

    Happy New Year
  3. 2010 Camaro SS L99 A6 Tuning with HP Tuners

    That’s a good math to use for general purposes when you start tuning the virtual torque tables. Have you got your maf tuning in line yet? Ready to move on to spark?
  4. 2010 Camaro SS

    I run id 1050x’s in my truck. No issues getting the pulse width down to control the afr at idle.
  5. Express Success

    I’m off exit 64, I don’t get home until 5:30ish.
  6. GM MAF "delete" (disconnect)

    Hp tuners has a really nice scanner. I can post screen shots if you want to look at the timing tables. I’ll be home tomorrow 4:30-5:00 if you want to get that cam. Or just send me your address and I’ll mail it to you.
  7. Express Success

    I still have mine. I will have to see if my wife will be home or not.
  8. Tuning LS3 for E85

    Don’t forget to do the gas also.
  9. Tuning LS3 for E85

    I know, I looked at your tune last night. When are you getting injectors? I’m sure you noticed but you are maxed out.
  10. Tuning LS3 for E85

    power enrichment eq ratio gas and alcohol needs to leaned out to .85. 3,000 and up change it to 1.195. that will give you a commanded lambda of .83, close enough for now. 1/eq ratio gives you your lambda. lean it out, scan for knock, and let me know. shouldn't have any, timing is pretty conservative.
  11. Tuning LS3 for E85

    Yes that is it. I didn’t get a chance to look at your logs last night. Your tip in knock is more than likely related to your untuned vve table. Even though you are in maf only it still get referenced for some transient fueling. Tackle that another day. What is your scanner showing for total sae timing at wot? Example 5,000 and cylinder airmass around .76 and up.
  12. Tuning LS3 for E85

    Driving impressions? Any kr? And are you logging flex fuel timing adder in your channels? It will be late tonight before I can look at your logs.
  13. Tuning LS3 for E85

    Yes. The only pe value you will mess with is gas AFTER your commanded=actual.
  14. Tuning LS3 for E85

    That is your maf curve.
  15. Tuning LS3 for E85

    you are getting tip in knock even in drive mode. Sport/drive use the same timing maps so that will have nothing to do with your issue. If you watch your log, and slow down the playback speed, every time you give it some throttle you go rich and get knock. Commanded lambda is 1.0 and you are getting .77-.80. Short terms kick in and lean it out and knock goes away. You haven't tune wot, your commanded/actual is way off. Remember tuning in lambda 1.0 is 1.0 regardless of the fuel type you are using, that's why you tune in it. You want .85 under pe, which is almost where you are at, but your commanded is asking for .78 from where I "raped" your pe before you had a wideband. Now that you have one you need to fix it so commanded=actual. Adjust the flex fuel spark tables I attached, this will add a total of 4 degrees on 50% ethanol and above, Log for knock. I also attached the math/graph for a eq error. Your actual lambda under pe is ok if you want to try the timing changes first, but you need to fix it. 6300-6900 you need to add about 4%, 7050-7500 about 7%, 7650 and up 8%.