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LS Droid + TunerPro + Maf scaling

 
Old 06-14-2019, 01:17 PM
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Default LS Droid + TunerPro + Maf scaling

I've been reading ddnspider's sticky on MAF tuning and following PeteS160's work on LS Droid and trying to see if this is a viable alternative to a COS. I've got a copy of 12208322 os and xdf and have found that some of the tables ddnspider referenced in his thread are missing.
B0503 Purge Canister Min Air Flow
B0506 Purge Canister vs Vac
B4107 Closed Loop Mode-
B4361 A/C Torque Loss Correction Ramp Out
B4305 Startup Airflow Decay in Drive
B4340 Startup Airflow Decay
B4503 Filtered RPM Airflow Control Delay
B4504 Airflow Learning Control Delay
B4511 Startup Engine Underspeed Time Limit

Any idea if this is due to the xdf not being complete, or a different operating system?
Is there any chance of this working without those tables being scaled?

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Old 06-14-2019, 02:02 PM
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It may work without those tables since they're just a bunch of startup idle airflow tables mostly. I'd give it a go with what you have.
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Old 06-14-2019, 02:07 PM
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Thanks ddnspider, so since I plan on about twice the stock hp with a turbo, would you recommend scaling everything at 50%

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Old 06-14-2019, 02:32 PM
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Originally Posted by AWDevastation View Post
Thanks ddnspider, so since I plan on about twice the stock hp with a turbo, would you recommend scaling everything at 50%
fwhp or rwhp? For ~600fwhp (500whp?) you could probably go with something less than that to get more resolution if you wanted, but for rwhp it may be easier to just go 50% to make the math easier. I'm about to turbo my Z28 and plan on just cutting everything in half for ease of math.
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Old 06-14-2019, 02:36 PM
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I'm hoping for about 650 to the tire. 5.3 with cam and a gt45 turbo
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Old 06-14-2019, 02:41 PM
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Originally Posted by AWDevastation View Post
I'm hoping for about 650 to the tire. 5.3 with cam and a gt45 turbo
yeah scale 50 and go from there. Highest I've done with a scaled setup is about 750whp, but in theory as long as you don't max the MAF frequency you can scale the airflow as much as you want.
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Old 06-14-2019, 02:44 PM
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ddnspider, thanks for the write-up and the speedy reply!
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Old 06-14-2019, 03:49 PM
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No prob man, hope it works out for you.
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Old 06-15-2019, 08:37 PM
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The OS number your talking about isn't one I recognize off the top of my head. If this is in a stock application and you are reusing the cars existing OS what type of vehicle is it?

If this is in a swapped application I'm about 99% sure one of the more common OS's would be likely to have the tables your "missing" and would likely be a better candidate to start from IMO. Of course my opinion is based on what I know are in some of the existing XDF's out there but with out actually knowing what/who's XDF your working with this may not be the case.

Also keep in mind to update/verify the checksums in TunerPro before attempting to flash the file onto a PCM. I suppose if your only flashing calibration there isn't any risk involved but if your flashing the OS and the checksums are wrong it may end badly for your PCM. When I created LS Droid I knew one day bad checksums in the bin file may become a double edged sword that could go either direction. If you look at the PCM Hammer its overly careful about what it will flash to it won't let you flash a file that you know for a fact is valid. Ls Droid on the other hand only checks a couple of bytes in the bin file to make sure it is actually PCM file and leaves the rest up to the end user.
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Old 06-15-2019, 08:52 PM
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PeteS160, thanks for the reply. I've got just about every OS and XDF I could find posted on the internet. The PCM I have is a 0411 from an S10, so I won't be using the stock OS. If you have a better recommendation for OS, I'm game. I'm new to this and haven't even received my OBDLink yet. I have XDF's for 12202088, 12208332, 12209203, 12216215. 12211558, and 12593358.

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Old 06-15-2019, 11:47 PM
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I did not create the 1290003 XDF and don't know a whole lot about it other then it should support 2 BAR map, it was written by LRT a couple of years ago and is based off an EFI Live COS. I've also attached Checksum plugins for Tuner Pro that works with this XDF. I would not advise mixing Checksum plugins, while they should in theory be the same its still not something I would want to test and find out they were not compatible the hard way.

Here are a couple of other XDF's you didn't list for the P01 that you may or may not already have. They are for the same OS but are written by 2 different people and have a couple of tables that are unique to each one.

If you don't have a .bin file for the 5074 OS/COS 3 I may have one that would work for you, I'd need to know engine size and trans type to see if I have something with the right segments.
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Old 06-16-2019, 07:07 AM
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PeteS160 I'm running a 5.3 with 4l80e. If you have a cos3 file that would work, I'd appreciate it. I tried both 12212156 xdfs and several versions of the OS and they are all missing the same tables I listed in first post.
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Old 06-20-2019, 06:42 PM
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Originally Posted by AWDevastation View Post
PeteS160 I'm running a 5.3 with 4l80e. If you have a cos3 file that would work, I'd appreciate it. I tried both 12212156 xdfs and several versions of the OS and they are all missing the same tables I listed in first post.
Haven't forgotten about this. See if the COS3 XDF along with this bin file have the tables your looking for. The bin data was from an LS1 car so a lot of values wouldn't be correct for your engine but we can at least see if what your after is in the XDF.
Attached Files
File Type: bin
COS3_129003_LS1_Auto.bin (512.0 KB, 6 views)
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Old 06-20-2019, 07:14 PM
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Thanks PeteS160, I'll check it out.
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Old 06-27-2019, 10:06 AM
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Default Ive been looking for this!

Pete,

I have an 01 1500hd (lq4/4l80e) with a gt45 and decaps flashed with ls droid and "tuned" with tunerpro. Its running basically 100% off the maf and on very low boost, 4 maybe 5 psi. Been driving it a few weeks now. Drives ok but could be a lot better. I currently have a gm 3bar map on the truckn but have it scaled wrong so pcm doesnt freak out in boost.

This custom OS is exactly what I have been looking for, but:

How do I modify the bin for the 4l80e? "System/trans type" says it should not be modified. Says the same for engine type. Am i being overly cautious?

Current os is 12208322. The custom OS should flash on fine with a full write, right?

Last, any other steps I may be forgetting or should have in mind?


THANKS
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Old 06-27-2019, 01:38 PM
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It is very u likely you will find a 4l80e segment for the OS that xdf was created for unless someone knows of a Holden that used the 80e trans. As far as i've been able to tell that OS only came as 4l60 or manual trans. I know there are ways to make the 4l80 work using a 4l60 segment by altering some things in the wiring but it's far from an ideal way to do it.
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Old 06-27-2019, 01:39 PM
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Didn't frost sell a conversion connector that made it so the 4L80E would be controlled like a 4L60E?
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Old 06-28-2019, 07:07 AM
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I guess 4l60 to 4l80 segment swap hasnt been figured out yet?

Or it could be swapped but xdf isnt defined for a 4l80 segment?
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Old 06-28-2019, 07:22 AM
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Originally Posted by Dukeofnyd1 View Post
I guess 4l60 to 4l80 segment swap hasnt been figured out yet?

Or it could be swapped but xdf isnt defined for a 4l80 segment?
You can only swap segments from the same OS. There is no 4l80 segment for that COS because the OS it is based on was never offered with a 4l80. Goole search 4l80 on 4l60 tune to see how to make it work.
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Old 06-28-2019, 07:23 AM
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