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Lean Spool Disable, Before/After

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Old Apr 30, 2007 | 06:26 PM
  #16  
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This is what its tuned to now


3250 11.3
3312.5 11.2
3375 11
3437.5 11
3531.25 11
3656.25 11
3750 11
3843.75 11
3906.25 11
3968.75 11
4062.5 11.1
4156.25 11.1
4250 11.1
4343.75 11.1
4375 11.1
4500 11
4562.5 11
4687.5 11
4812.5 11.1
4875 11.2
4937.5 11.2
5000 11.2
5125 11.1
5187.5 11.2
5281.25 11.2
5312.5 11.2
5406.25 11.2
5468.75 11.2
5562.5 11.2
5625 11.2
5718.75 11.1
5781.25 11.2
5843.75 11.2
5875 11.2
5937.5 11.1
6031.25 11.2
6093.75 11.1
6187.5 11.1
6250 11.2
6312.5 11.2
6406.25 11.2
6500 11.2
6531.25 11.2
6593.75 11.2
6656.25 11.2
6718.75 11.2
6781.25 11.2
6812.5 11.1
6875 11.1
6937.5 11


This is wha the map look liked before: Load cells is 200,220,240,260,280,300 Afrs here were leanish 11.5:1 throughout 4th


This is it afterwards and reflects the log above.

Last edited by Ph3n1x; Apr 30, 2007 at 06:31 PM.
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Old May 1, 2007 | 06:43 AM
  #17  
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I haven't been able to get a straight answer out of anyone ...... can the 03 guys tweak this setting? I did quite a bit of digging last night and couldn't find anything solid.

I'm running ROM 94170008
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Old May 1, 2007 | 07:05 AM
  #18  
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Originally Posted by Phenix_fyah
This is what its tuned to now


3250 11.3
3312.5 11.2
3375 11
3437.5 11
3531.25 11
3656.25 11
3750 11
3843.75 11
3906.25 11
3968.75 11
4062.5 11.1
4156.25 11.1
4250 11.1
4343.75 11.1
4375 11.1
4500 11
4562.5 11
4687.5 11
4812.5 11.1
4875 11.2
4937.5 11.2
5000 11.2
5125 11.1
5187.5 11.2
5281.25 11.2
5312.5 11.2
5406.25 11.2
5468.75 11.2
5562.5 11.2
5625 11.2
5718.75 11.1
5781.25 11.2
5843.75 11.2
5875 11.2
5937.5 11.1
6031.25 11.2
6093.75 11.1
6187.5 11.1
6250 11.2
6312.5 11.2
6406.25 11.2
6500 11.2
6531.25 11.2
6593.75 11.2
6656.25 11.2
6718.75 11.2
6781.25 11.2
6812.5 11.1
6875 11.1
6937.5 11
I see quite a few people trying to tune to a flat afr curve across the entire rpm range. I would have thought that working towards a richer afr as the turbo gets out of its efficiency range would be preferable.
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Old May 1, 2007 | 08:59 AM
  #19  
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Originally Posted by nj1266
I had similar results to the OP when I disabled the lean spool on my Evo 8. Here are the numbers averaged for two runs before and two runs after

Before



After

what software is this?
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Old May 1, 2007 | 09:58 AM
  #20  
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Originally Posted by mrfred
I see quite a few people trying to tune to a flat afr curve across the entire rpm range. I would have thought that working towards a richer afr as the turbo gets out of its efficiency range would be preferable.
I see no knock with this AFR so why add more fuel.
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Old May 1, 2007 | 09:59 AM
  #21  
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Originally Posted by mplspilot
what software is this?
Logworks from Innovate. you need to have an innovate product in your logging chain to use it. I like it since it allows me to create rom similar charts and average out as many logs as I want.
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Old May 1, 2007 | 10:01 AM
  #22  
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Originally Posted by mrfred
I see quite a few people trying to tune to a flat afr curve across the entire rpm range. I would have thought that working towards a richer afr as the turbo gets out of its efficiency range would be preferable.
When does the IX turbo lose its efficiency range?
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Old May 1, 2007 | 11:23 AM
  #23  
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From: Tri-Cities, WA // Portland, OR
Originally Posted by nj1266
When does the IX turbo lose its efficiency range?
I'd say it starts falling out of range from around 6000 rpm. That's where I see most knock events and the load wants to fall off faster.
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Old May 1, 2007 | 11:24 AM
  #24  
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From: Tri-Cities, WA // Portland, OR
Originally Posted by Phenix_fyah
I see no knock with this AFR so why add more fuel.
Maybe you can pull out some fuel at lower rpm.
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Old May 1, 2007 | 01:01 PM
  #25  
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No i do see some knock there.
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Old May 1, 2007 | 01:05 PM
  #26  
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Originally Posted by Jeff_Jeske
I haven't been able to get a straight answer out of anyone ...... can the 03 guys tweak this setting? I did quite a bit of digging last night and couldn't find anything solid.

I'm running ROM 94170008
bump
I am using ROM 94170015
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Old May 1, 2007 | 06:11 PM
  #27  
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Originally Posted by Jeff_Jeske
I haven't been able to get a straight answer out of anyone ...... can the 03 guys tweak this setting? I did quite a bit of digging last night and couldn't find anything solid.

I'm running ROM 94170008
yes jeff it works, https://www.evolutionm.net/forums/sh...d.php?t=259571
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Old May 1, 2007 | 08:30 PM
  #28  
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Originally Posted by mplspilot
what software is this?

yes, that is LogWorks2. I have been using it for a long time now. It's my weapon of choice for all my logging needs. Also it's important to know, if you ARE using a innovate LC-1 wideband, in order to take full advantage of this O2s's fast sample rate, you must be logging it with LW2. And this, is why i choose to use LW2, because the resolution on my LC-1 widband using LW2 is amazing and can't be had anywhere else.

Also, the math trace/collection is awesome. I can basically make LW2 do any calculation i need it to. This really helps me out. Basically, LW2 has tons of tuning tools and features catered to the tuner.
CJ
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Old May 1, 2007 | 09:15 PM
  #29  
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From: sc
I have no lean spool disable and AFRs remain within a 0.4 window from 4000K to redline, If anything I would like to enable it more.

From my experience leaner spoolup creates boost sooner with less knock, but this is just my observation with my setup and tune

Also the MAF smoothing plays a significant but unkown role with IPW as well
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Old May 1, 2007 | 10:10 PM
  #30  
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From: Flyover country.
Originally Posted by C6C6CH3vo

From my experience leaner spoolup creates boost sooner with less knock, but this is just my observation with my setup and tune
That's what i thought. Shouldnt afrs be in 12's untill you hit full load?
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