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Author Topic: Big Turbo 1.8T help  (Read 44268 times)
SB_GLI
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« Reply #15 on: November 13, 2015, 01:06:28 PM »

please post raw logs... don't open these things up and save them again with excel... it messes up the formatting and makes the programs that parse this data so you can view it unhappy.
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SB_GLI
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« Reply #16 on: November 13, 2015, 01:13:02 PM »

boost actual is way over boost requested, especially as you near redline... which is putting you in limp.

I believe that HBN is your problem.  I would never recommend this otherwise, but for your balls to the wall approach, max that whole table.
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nyet
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« Reply #17 on: November 13, 2015, 01:14:21 PM »

boost actual is way over boost requested, especially as you near redline... which is putting you in limp.

Exactly what I was saying from the start.
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SB_GLI
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« Reply #18 on: November 13, 2015, 01:16:58 PM »

WOT fueling is very sloppy too.  are you sure you have you MAF correctly scaled?
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Jonamond
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« Reply #19 on: November 13, 2015, 01:23:39 PM »

please post raw logs... don't open these things up and save them again with excel... it messes up the formatting and makes the programs that parse this data so you can view it unhappy.

Oops, ok I'll put the original files up.

WOT fueling is very sloppy too.  are you sure you have you MAF correctly scaled?

Haven't touched Maf yet...
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Jonamond
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« Reply #20 on: November 13, 2015, 01:29:07 PM »

Raw files
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nyet
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« Reply #21 on: November 13, 2015, 01:29:42 PM »

I believe that HBN is your problem.  I would never recommend this otherwise, but for your balls to the wall approach, max that whole table.

Insane. No, he should ditch the stupid MBC and learn to tune properly. Balls to the wall is no way to learn.
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ME7.1 tuning guide
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Please do not ask me for tunes. I'm here to help people make their own.

Do not PM me technical questions! Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your ex
Jonamond
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« Reply #22 on: November 13, 2015, 01:32:04 PM »

I'll ditch it, would be nice to have it running proper.
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SB_GLI
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« Reply #23 on: November 13, 2015, 01:34:03 PM »

regardless....  we have what we need from your logs to see the issue.  Not requesting enough load/boost and it's being limited by something other than ldrxn/iop/irl.  I looked at your tune last night and HBN has issues.  You don't have to max it, though you can to prove that your issue is indeed that table.  It's just pressure ratios by IAT and RPM.  Enter numbers that make sense. (like FF and FF Tongue)
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nyet
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« Reply #24 on: November 13, 2015, 01:40:46 PM »

For reference
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Please do not ask me for tunes. I'm here to help people make their own.

Do not PM me technical questions! Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your ex
Jonamond
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« Reply #25 on: November 13, 2015, 01:49:43 PM »

Thanks I'll work on it tonight
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nyet
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« Reply #26 on: November 13, 2015, 04:37:06 PM »

Thanks I'll work on it tonight

Word of advice: don't get HBN too close to actual boost during spool or you may have PID issues. Probably best to set it around 2.3-2.5 PR everywhere...
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ME7.1 tuning guide
ECUx Plot
ME7Sum checksum
Trim heatmap tool

Please do not ask me for tunes. I'm here to help people make their own.

Do not PM me technical questions! Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your ex
Jonamond
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« Reply #27 on: November 13, 2015, 11:18:07 PM »

After editing KFLDHBN, I am now staying out of limp, at least at WOT.

So, now, I would like to move on to getting boost under control with the n75. Any advice on what I should tackle first?
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Jonamond
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« Reply #28 on: November 15, 2015, 10:13:40 PM »

Trying to get the fluctuating fueling issue sorted out at wot. It is the stock maf, how would I confirm the maf is causing my issue?

I'll be checking tomorrow for any leaks after the MAF. I have the MAF mounted onto a 90 degree silicon elbow right off the turbo, I'm going to say about 10 inches away roughly, I unsure if MAF location will affect operation.

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SB_GLI
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« Reply #29 on: November 16, 2015, 06:26:10 AM »

Still stock MAF in stock housing?   You are surely maxing it out if that's the case.
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