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    injector duty cycle question

    I've got a '99 C5 with a 223/231 112 cam and a D1SC procharger making about 8.0-8.5psi. The tune definitely needs scaled but i've just been roughing it in to get the car running good enough to drive...
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    This just saved my ass as well on a E38, 2008...

    This just saved my ass as well on a E38, 2008 Silverado....had a BAD lean condition at idle. Fuel trims were 20%+ and the wideband was reading .99-1.01 lambda even it was spot-on in open loop. There...
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    Adjust the parameters next to the box where you...

    Adjust the parameters next to the box where you specify your throttle body up or down until you find a more acceptable setting
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    Got it lined out i think....Making 316hp 355ft...

    Got it lined out i think....Making 316hp 355ft lbs...totally stock 5.7 Ram with a COMP HRT NSR stage 1 216/222 @.050 cam.

    Idle issues i'm having currently are when you rev it in P/N to, say,...
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    knock sensor desensitizing

    Tuning a 2012 Ram 5.7 with a mild cam and cold air after a MDS delete.

    I've gathered a bunch of info on hemi tuning on here and have disabled the NN and got the VE dialed in. the truck has what...
  6. I went ahead and removed the SAE pids and...

    I went ahead and removed the SAE pids and continued tuning, cautiously. The truck made 477/470 on my MD500 on 11psi and 12* on 91 octane, SBE 5.3 with a small cam. Control module voltage and lambda...
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    Audible knock issue

    I've got a 2014 Silverado Reaper truck i'm finishing up. It's having an audible knock/pinging under low rpm/high load situations typically in 5th and 6th gear, as seen in the screenshot.

    I have...
  8. Bad pcm or software bug? Control module voltage issue

    I have a ls swap project with a P59 from a suburban with a 2 bar OS in it.

    Logging control module voltage (sae) showed 8.4 - 10v at idle and picked up to only about 11v with rpm. Alternator and...
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    Ya its embarrassingly slow...i think it's the...

    Ya its embarrassingly slow...i think it's the 1.9L. A stock 6.2/8speed truck would walk away from it.

    Definitely MAF only tune with a stock MAP that pegs out at 114kpa or whatever the max is....
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    391

    Yeah it's a magnacharger

    Yeah it's a magnacharger
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    Tuning a Lingenfelter Reaper

    I've got a Reaper truck in for some diagnostics and tuning. It's the supercharged 5.3 package and is, in my opinion, embarrassingly slow. I think it is mostly tune related as the tune has 0 changes...
  12. To clarify, it was a dual nozzle kit and the car...

    To clarify, it was a dual nozzle kit and the car is a long ways from needing that much meth.
  13. Ok so i eliminated one of the meth nozzles and...

    Ok so i eliminated one of the meth nozzles and moved the remaining one towards the intercooler, further away from the mass airflow sensor so the IAT would see the meth... Now the MAF frequency goes...
  14. Tuning meth injection... Quick question for sanity check

    I have a C6 with a A&A kit on about 8psi, mild cam, exhaust, and a 3400 or so converter... The Alky Control kit was installed after a previous tuner hacked the tune up and I'm basically starting from...
  15. Got it running finally....turns out the figures...

    Got it running finally....turns out the figures in the VE weren't NEARLY big enough...
  16. no changes with adding/subtracting base airflow

    no changes with adding/subtracting base airflow
  17. MAF is being ignored, there isn't one, the...

    MAF is being ignored, there isn't one, the airflow table is left stock in case zeroing it out prevents the truck from starting before speed density kicks in.

    I'll play with the idle airflow and...
  18. Could it be too much bass idle air flow? It ran...

    Could it be too much bass idle air flow? It ran when it drove to my house with the same figures in that table though.
  19. starts and dies after 2 bar OS application

    working on a 2008 silverado....6.0 engine, smallish cam, On3 turbo, FIC 650cc, 3200 circle D, 4L80E...double stoich/half IFR...The truck drove in on a 1 bar OS, rough running, owner tried tuning...
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    Burst knock was the culprit.... forgot to log it,...

    Burst knock was the culprit.... forgot to log it, :banghead:
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    Crank relearn didn't help either.

    Crank relearn didn't help either.
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    Jagged spark under WOT

    Anybody know what causes the shark tooth looking spark advance when i go WOT? I can't figure it out. I've seen this on one other car. Could it be a bad crank sensor or bent reluctor? or am i missing...
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    Interface not found

    On 3 different laptops, and also with my old mpvi pro, i always get an "interface not found" message when i try to flash a vehicle.

    When i unplug the usb and plug it back in, it will flash and...
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    AEM replacement sensor question

    Is the Bosch 17025 the correct replacement sensor for an AEM 30-0334? I believe it is but can't find concrete confirmation online.

    Thanks
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    2017 Z06 stock file needed

    Anybody have a stock 2017 Z06 file? I don't see one in the repository....TIA.
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