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Old 04-13-2012, 08:16 AM   #21
G8-4-Speed
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If you have a triple-disk converter, you will most likely have to command 0 rpm in all the TCC slip tables or it will surge at a cruise.
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Old 04-13-2012, 12:53 PM   #22
bluegoat06
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Quote:
Originally Posted by SEESEVEN View Post
bluegoat i sent you a pm, also i cant get a higher commanded rpm than 1200, there seems to be no way i can enter any numbers in the field.
Yep, that's normal, it behaves the same in the E40 PCM
What you can do do, is set the idle rpm manually typing the rpm value you want in the rpm field (1600 in this case), and then click RPM on, however, you won't need to do this procedure past 1200rpm because your cam won't requiere it. You can leave the tables populated up to 1200, the rest can be all zeros if you wanted, or you can paste the stock values past 1200rpm, and do little interpolation in the 1600 rpm field. You'll have to the interpolation for the 400 and 200 rpm since it'd would impossible to keep the engine idling that low for test purposes, i normally keep the 200-400rpm at about 0.5 to 1g/sec lower than what i have in the 600rpm field. but you can play with this after you have completed the procedure, not a problem
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Old 04-22-2012, 06:28 PM   #23
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Quote:
Originally Posted by bluegoat06 View Post
I don't know what Russ K config is
But you'll need to use Histo 10 and 11 from this config.

The cam has 2* overlap, should be a piece of cake to tune.

In your idle speed RPM, leave the 1000's up to 111F, from there on, lower than to 800 rpm. The min speed rpm should also match that, so set all the values in there to 800rpm.

Then Under engine/idle/airlfow/base running airflow/Airflow Final Minimum , zero out the entire Airflow Final Minimum table. (Min RAF). This prevents the PCM from predicting any minimum airflow which would prevent you from finding the real minimum. This is table as it looks stock. Zero all this out



Flash your calibration with this changes.

Then In your driveway or garage, start the motor and and warm her up,AC off, open your VCM Scanner. and start logging, although at this point you just want to see engine coolant temp.

Once the engine is warmed (close to normal operation temp, from 170F ECT and up is fine) in VCM controls, set spark idle control to "On" which really turns idle adaptive spark off.

Command the different RPM's in the table; 600, 800, 1000, 1200, You can only command up to 1200 RPM's in the VCM Controls with the up and down arrows. For 1600...3000 (you donít need to go that high, doing this up to 1200rpm will suffice, but youíll know if you need to go to 1600-3000rpm), you need to type the RPM in, and un-select and re-select "On".

Using histo# 10 and using the average (A) function, log airflow against the final idle airflow minimum table. (Histo 10 already does this). The idea is to command the lowest RPM in each range so you would find the minimum airflow needed for each rpm point to keep the motor running. remember to use the average funtion (A), if she stalls at 600rpm, don't worry, start with the 800rpm up to 1200rpm for now, then later repeat for 600rpm. keep each rpm point logging for about 15-20sec or so to get a good average. once done, stop the logging

Now Paste these numbers from Histo 10 table directly into the Airflow Final Minimum table (engine/idle/airlfow/base running airflow/Airflow Final Minimum (This is what we call Min RAF) (since we have Auto Trans, we need to do this twice, once in park, paste the values in the Park and Neutral row, and once in gear (Drive) w/ the e-brake on), Paste the values in the 1st gear row, then copy the 1st gear values to all the other gears but Park and neutral.
Once you've filled the values in, Then subtract 10% from the whole table (select all and multiply by .9) and re-flash.
Also don't worry about the fields above 1200rpm, you can leave them at 0. you're doing this from 600 to 1200rpm.

Restart the engine, this time do not set the idle spark control to "on". Log idle adapt advance against the final idle airflow minimum table with histo# 11 using the average (A). Command the RPM's again, just like before. Copy and paste these numbers (paste special, multiply by %) into the appropriate cells. (again, we auto guys will need to do this twice) Rinse, repeat until the adaptive spark numbers are +-1 degree.

Piece of cake, just time consuming, but she should behave a lot better after this

Let me know if you have any questions.
Lernt something new today! Mine are still stock like the pic posted. I occasionally have to shift into first (if driving manual) or neutral so I don't stll when slowing to a stop...
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Old 06-01-2013, 09:44 PM   #24
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My car has been stalling occasionally since the mild cam install. So I searched and came up with this informative thread. Thanks again BlueGoat! However, I encountered two issues:
1.) The VCM controls only work with the car in park. Maybe a feature of a newer version of HPT?

2.) I don't quite understand what the destination table is here. It seems like you are talking degrees but later in the thread said to not mess with the advance tables....
Quote:
Restart the engine, this time do not set the idle spark control to "on". Log idle adapt advance against the final idle airflow minimum table with histo# 11 using the average (A). Command the RPM's again, just like before. Copy and paste these numbers (paste special, multiply by %) into the appropriate cells. (again, we auto guys will need to do this twice) Rinse, repeat until the adaptive spark numbers are +-1 degree.
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Old 06-04-2013, 12:30 AM   #25
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Do the work in Park or Neutral, then use the same values for drive and the other gears.

The adaptive spark numbers come from Histo#11, it's kind of adaptive spark error% against airflow, apply to the Min RAF until the error is +-1 %.
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Old 09-04-2013, 05:24 PM   #26
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hey Bluegoat, I've been trying to tune my idle with your histo's. I downloaded both configs in this thread and the rpm axis doesn't match mine in either one. should I change the axis in my tune to match the histo
or am I missing something?
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Old 09-04-2013, 05:36 PM   #27
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I have a new config i posted here somewhere cause i didn't realize i was posting a config from a GTO.

Let me find it.
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Old 09-04-2013, 05:39 PM   #28
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Here post #2
http://www.g8board.com/forums/showth...hlight=min+raf
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Old 09-04-2013, 06:27 PM   #29
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Wow that was fast. thanks
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Old 09-04-2013, 09:47 PM   #30
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Np.
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