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09-07-2012, 12:34 PM | #1 |
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Help reading logs, tuning & what to look for
First off, Id like to thank Terry for all his support. I'm at a point that I want to understand what my car is doing without having to go back-and-forth every 5-minutes. Note: The logs I attached were done on a real crappy road. Also, my mods and fuel/meth settings are in my signature. Finally, I used the attached "MAP_3_run1.csv" to generate the graphs.
Questions: AFR: I need help understanding this and how it relates to my car. From my understanding, running below 14.7 is rich. Anything above that number is lean. Is this accurate? I've also heard adding meth/E85 into the equation lowers the stoich value. I'd like a breakdown of where these numbers have to be when running 93 (MAP-2), 93 + meth (MAP-3), E85/93 + meth (MAP-3). What numbers should I be looking for (good vs. bad)? With the JB4, how do I make adjustments? IGN, IGN ADV, AVG IGN & IAT: No idea what these are. Can someone explain? Peddle & Throttle: What is the difference? PWM: Can someone explain? How does this relate to the 18ohm, 15ohm and G5 board? Terry mentioned something about it being stuck on 100. Trims: Can someone explain? Please try to use layman's terms so I can grasp the concepts. If there are some threads out there that will help, please point me in the right direction. Last edited by TUN3D; 08-04-2014 at 09:48 AM.. |
09-10-2012, 02:41 PM | #3 | |
aiming for 450.....
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Quote:
Nick
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Quote from Ezeedee regarding car mods:
"you're only done when you sell the car " |
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09-10-2012, 03:02 PM | #4 |
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I've been wondering this myself. Seems to be bits of info spread around but no JB4 "glossary" to go by. That's what we need. I posted this same question on N54Tech so if someone comes up with anything I'll post it here.
I also noticed the Throttle / pedal level separation in my JB4 logs. During 100% pedal the throttle backed off almost to 65 when I lost traction. DTC was off too. Weird. |
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