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Author Topic: Actual vs Requested  (Read 7591 times)
vdubnation
Turboman
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« on: June 24, 2013, 10:15:21 PM »

Anyone have any idea why Actual Load isnt meeting requested ?
Check out the logs
2001 A6
me7.1.1
s6 file
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nyet
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« Reply #1 on: June 24, 2013, 10:44:16 PM »

Who cares? It's an NA car Tongue
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vdubnation
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« Reply #2 on: June 24, 2013, 10:46:37 PM »

curiosity hehehhe

trying to get everything down the right way
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ddillenger
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« Reply #3 on: June 24, 2013, 10:48:25 PM »

Looks like the intake flap changeover points are where the hole is.
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nyet
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« Reply #4 on: June 24, 2013, 11:01:53 PM »

I'm kinda unclear how you can force an NA car to see 100% load...
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ddillenger
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« Reply #5 on: June 24, 2013, 11:21:34 PM »

I'm sorry Nye, are you saying you think that hole is normal? I agree 100 percent is unreasonable to expect, but 75 seems low, especially considering....

well, look at it.
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nyet
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« Reply #6 on: June 24, 2013, 11:26:26 PM »

Can't say. Don't know anything about that motor, or tuning it :/

I can say (from logging other MAF based NA cars) that 80% load isn't uncommon, especially at altitude or hot weather.
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Carsinc
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« Reply #7 on: June 24, 2013, 11:36:21 PM »

I think this is a hardware problem.
How does the car run?
I know very little about these logs, I use vag com (I know it sucks) but its what I'm used to.
I have seen some very intresting problems with this motor. Can you tell me more about the car
and what mods it has.
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nyet
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« Reply #8 on: June 25, 2013, 09:35:25 AM »

My first guess would be a post MAF intake leak.

Is the car running lean?
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vdubnation
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« Reply #9 on: June 25, 2013, 10:57:27 AM »

Car feels real healthy no signs of running lean or rich.

Intake flap maps kfsu and kfsu2 were 00'd for this run.
Am I right in assuming kfsu is for VVT inactive, and kfsu2 is for VVT active?
The tables contain 1s and 2s, is 1 the flaps opening, whereas 2 is completely open?
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Carsinc
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« Reply #10 on: June 25, 2013, 11:52:30 AM »

I'm thinking that looks better, My guess from the first logs was going to be cam timing, I've seen many different reasons for these motors to
not be timed correctly, I wish both intake and ex cams had position sensors Sad
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ddillenger
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« Reply #11 on: June 25, 2013, 12:06:45 PM »

Seems that by tuning the intake flap changeover that could be smoothed a bit. Anyone ever done this?
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NOTORIOUS VR
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« Reply #12 on: June 25, 2013, 12:19:15 PM »

does the car feel better with the 2nd log where act. load is higher?
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vdubnation
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« Reply #13 on: June 25, 2013, 01:17:41 PM »

does the car feel better with the 2nd log where act. load is higher?

Significantly better
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NOTORIOUS VR
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« Reply #14 on: June 25, 2013, 01:25:34 PM »

awesome!

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SCHNELL ENGINEERING BLOG ·  STANDALONE ECUS · TUNING · DYNO · WIRING · PARTS · VEMS
Google Talk: NOTORIOUS.VR
n00bs start here: http://s4wiki.com/wiki/Tuning
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