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  1. Thread: Tuning Help

    by Jetmech442
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    2,202

    Hey, I'd probly start by posting your tune and...

    Hey, I'd probly start by posting your tune and fully describing your build, then, if you haven't read Idle Tips n tricks sticky by WeathermanShawn, I would suggest starting...
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    previous post got clipped-probly my fault...

    previous post got clipped-probly my fault ..anywho...-I helped my buddy with a 2006 8.1L Sierra. We found a weird issue with table B6614 where it was set to +640, which in other model years meant no...
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    My opinion is to run Calc.vet first. when your...

    My opinion is to run Calc.vet first. when your done, you re-enable closed loop. It worked great for me.

    Making sure the Wideband is installed exactly as the manufacturer described is a big deal,...
  4. Hey Rover, super happy that worked! No need for...

    Hey Rover, super happy that worked! No need for beer (the former Sailor in me would be disgusted to hear that), I'm just here trying to repay all the help I got years ago from great guys like scarab,...
  5. nm, trans tune already attached... just some...

    nm, trans tune already attached...

    just some quick thoughts... 4000 RPPM is the threshold set to transition from the dynamic mode to pure MAF. Have you altered the stock MAF in any way?

    Cat...
  6. Beat me to it Scarab,lol. Rover, how certain...

    Beat me to it Scarab,lol.

    Rover, how certain are you that it pulls fuel and not timing or throttle blade?I'll poke around now ans see what I see. Perhaps you should post the trans tune as well,...
  7. I'm not a pro either, but I'd be happy to look...

    I'm not a pro either, but I'd be happy to look over the tune when I get home to see if anything might cause that. (unless someone gets to it before I do)

    Sent from my Nexus 6P using Tapatalk
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    Hey, reading through this I just noticed your...

    Hey, reading through this I just noticed your fuel pressure is 43psi without vacuum in the regulator. Did you update the map on efilive for flow rate vs map? Stock I think for a 411 is 58 psi. ...
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    Dude, I thought you were a college kid - c5's...

    Dude, I thought you were a college kid - c5's ain't Ramen noodles brah. Lol

    I've poked around my friends c5 Z06 tune, there's not a lot of slack in it like there is in the truck motors. Maybe...
  10. HeySteve40, so mine is a stock head,...

    HeySteve40,
    so mine is a stock head, LS6intake(should be same performance as truck intake), and I forgot to mention my cam is on a 114LSA as well.

    You can see that I idle at 45kPa, and when...
  11. I'm running a 6.0l lq9 with a228 for both lobes....

    I'm running a 6.0l lq9 with a228 for both lobes. When I get home I can share my logs so you have something to compare to, if that would help.

    Sent from my Nexus 6P using Tapatalk
  12. I that pic, right before you go wot, your map is...

    I that pic, right before you go wot, your map is around 80kpa.to me at least ,that is a loaded engine, but your throttle blade is barely cracked open at 21%.

    How big a cam is big? And are you...
  13. Just looking at the pic you provided(thanks btw),...

    Just looking at the pic you provided(thanks btw), it looks like your under quiet a bit of engine load before you even go wot. At 2100rpm, 21%throttle and 30ish mph, I would think Map should be more...
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    after another glance without playing ten thousand...

    after another glance without playing ten thousand questions in my ear(kids), I see your Stall saver is zeroed out. And even though theres no pedal signal, the vehicle is moving. so either your...
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    Yeah,backing up what Joe said above(I hope!) at...

    Yeah,backing up what Joe said above(I hope!) at frame 140 your idling at 1000 rpm with 0% throttle and ~27 degrees timing. At your ECT(194F) your B4603 is commanding 800 rpm. Then at frame 160 idle...
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    Just took a quick look. Starting raound frame...

    Just took a quick look. Starting raound frame 4280, after the climb to 70mph, it looks like you let off the pedal, it goes to zero(which is wierd to me, Imine never goes below 7 or something %). As...
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    Took a look at the timing tables, heres my...

    Took a look at the timing tables, heres my observations.
    1) I see an appropriate dip at full load(.72g/s) around 4000-5200 rpm.
    2) BSIG (B5932) at idle (800 RPM), is 24 degrees : HIgh and low...
  18. You are running OS 12587603. I was running...

    You are running OS 12587603. I was running 12606807. This issue may not affect you, but I'd suggest exploring it.

    I had a short thread about B6614 here...
  19. Okay. I haven't been able to look at the Logs...

    Okay. I haven't been able to look at the Logs yet, but I found the map I was talking about. It's B6614(Max torque by rpm) . From the factory, it was maxed out at 640 lbft. Setting it to 0...
  20. Yeah, 24 is the max channels before it slow down....

    Yeah, 24 is the max channels before it slow down. That's channels, not pids. Some pids use up 2 or more channels.

    Sent from my Nexus 6P using Tapatalk
  21. I helped my buddy with his 8.1,Completely stock...

    I helped my buddy with his 8.1,Completely stock engine. There is a table that has a range of - 64 to 64. Print this table at 0 makes a world of difference. Let me search through my history real...
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    Oreo, 2 things still on my mind. 1) why does...

    Oreo,
    2 things still on my mind.

    1) why does your log never enter CL. I don't want to let this one just slip away, I think it's the answer to why your LTFT don't populate.
    2) Can you post your...
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    I also agree, but why doesn't his other bank...

    I also agree, but why doesn't his other bank record values? His log shows both LTFT flat-lined, even though the other 02 is reading (albiet not very well).

    He also shows OL for sae.fuelsysA the...
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    Oh yeah thanks! That's an important one that...

    Oh yeah thanks! That's an important one that isn't very intuitive. It's nice when others confirm what I'm trying to convey/or correct me if I'm wrong,or fill in knowledge gaps.

    This has been an...
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    Just to make sure, this is with the ltft cells...

    Just to make sure, this is with the ltft cells changed from like 1100 to 2600 or something like that right?... Not the 6000 and 6001?

    Sent from my Nexus 6P using Tapatalk
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