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Author Topic: Controlling Overboost - AWP k03  (Read 56272 times)
nyet
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« Reply #45 on: March 25, 2014, 02:08:04 PM »

You gotta lower that KFLDIMX, way more Smiley

Disagree. Needs more Q2.
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DrGeorgeTompson
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« Reply #46 on: March 25, 2014, 02:09:29 PM »

Disagree. Needs more Q2.

I think it needs both, personally. But what the hell do i know?
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DrGeorgeTompson
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« Reply #47 on: March 26, 2014, 07:22:05 AM »

I've decided to give up on tuning and pursue my dreams of being a modern artist. I will be selling prints of this in fine painted frames for $150. I accept paypal and travelers checks.
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DrGeorgeTompson
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« Reply #48 on: March 26, 2014, 07:41:02 AM »

Disagree. Needs more Q2.

I have ruled out the DIMX, So i think you were right.

Here is my Q2 table, it is currently set to the stock values. If i want to control initial overshoot, Which part should Increase? By how much should i increase it? Should i increase each column by the same value or adjust each one individually?

It seems pretty stable most of the time after the initial overshoot, so i feel like i need to adjust the 700 lde column up. Is that the right idea?

 
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DrGeorgeTompson
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« Reply #49 on: March 26, 2014, 10:27:06 PM »

So I have been tuning KFLDRQ2 and i'm getting closer to where i want to be. Here is a 3rd gear pull.

I like the progress I'm making. But i have a question about requested Boost now.

My ldrxn is flat until i pass 3500. Why is there a dip in req boost with a trough at 3500 instead of a proper taper like i imagine there being? More specifically, are there a few tables i should look at to remedy this?
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ddillenger
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« Reply #50 on: March 26, 2014, 10:58:17 PM »

Take a look at your IAT's and see if KFTARX is causing it. If not, KFLDHBN.
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nyet
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« Reply #51 on: March 26, 2014, 11:39:21 PM »

Or this

http://s4wiki.com/wiki/Tuning#Cam_changeover_effect_on_requested_boost
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DrGeorgeTompson
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« Reply #52 on: March 26, 2014, 11:59:44 PM »

Take a look at your IAT's and see if KFTARX is causing it. If not, KFLDHBN.

I'll log Intake Temp and check it out.


I don't even know where to start with this. What should i log?


P.s. Thank you guys a bunch. You've both been a lot of help Smiley
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nyet
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« Reply #53 on: March 27, 2014, 12:01:25 AM »

I don't even know where to start with this. What should i log?

Log cam position. I am betting you will see a correlation.
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DrGeorgeTompson
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« Reply #54 on: March 27, 2014, 12:08:49 AM »

Log cam position. I am betting you will see a correlation.

Will do. After looking at other logs from the same flash, it doesn't seem to occur regularly. Either way I'll see if I can replicate it.
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nyet
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« Reply #55 on: March 27, 2014, 12:10:57 AM »

Will do. After looking at other logs from the same flash, it doesn't seem to occur regularly. Either way I'll see if I can replicate it.

If that is the case, DD probably has it right, and it is IAT.
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DrGeorgeTompson
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« Reply #56 on: March 27, 2014, 11:56:23 AM »

Take a look at your IAT's and see if KFTARX is causing it. If not, KFLDHBN.
If that is the case, DD probably has it right, and it is IAT.

It doesn't look like intake temp to me since it's flat until the dip is over.

I attached a log with the camshaft angle logged as well. I apologize for it being mildly crappy.
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nyet
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« Reply #57 on: March 27, 2014, 12:01:22 PM »

here ya go

something screwy though, not sure that is the right var for cam advance
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DrGeorgeTompson
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« Reply #58 on: March 27, 2014, 12:44:28 PM »

here ya go

something screwy though, not sure that is the right var for cam advance

Do you know the variable off the top of your head?
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ddillenger
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« Reply #59 on: March 27, 2014, 01:31:19 PM »

It's wnwi_w, and that looks right to me. Nye, gotta look at the scale. All that movement is still only 1 degree.
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