C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

EBL Flash-II tuning for MPG

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Old May 31, 2021 | 06:17 PM
  #21  
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Originally Posted by 85Red-Z51
OK copied the 3005 SA table over to my current BIN and flashed. I saw 10-15 cells stayed the same. This is the current running BIN
I'll take a look after I'm done cooking. I have a feeling once you get the wideband on it'll really hone it in though. The last one looked fine honestly. I'll upload mine just to give you an idea what I'm doing.
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Old Jun 1, 2021 | 03:12 PM
  #22  
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I did a little drive today to the next town over ( 10 miles interstate) so this is a good log of Interstate cruise and some in town driving around. About 15 mins. This is with the latest BIN currently running also attached. Hope this helps.. I tried getting the WB02 bunge installed this morning at 3 shops with zero sucess, Im going to try again in the morning. I have an appointment so hoping it will be an in/out stop and I can hook up the WB for better turning.
Can't upload the .dat file so here is a link https://awcwebdesign.com/Vette_Clear_00025.dat

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Old Jun 2, 2021 | 03:25 PM
  #23  
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Ok WB02 installed...
I changed the settings you have listed above. I told WUD to VE learn via WB instead of BLM. I did a load in the 2000rpm range to hit as many spots as I could, and also took it for a drive about 2 miles down the road with RMPs from 750 - 3600 holding in each range with braking to catch as many points as possible. Right off the bat it changed the 600-1600 rpm and MAP 40-60 ranges a LOT in the VE Corrections, I had at least 15 spots with +10-15 point corrections. But I got up in the 200-3000rpm rages and hardly anything was changed at all. I flashed this BIN with changes and did another VE Learn session duplicating the route and another datalog. There were a few changes with -1 but not near as many as the session before. Here are the results.
I also Set "BLM - RPM Threshold" from 450 to 6000 and "PE - TPS% Enable Threshold" Set all cells to 100% to prevent PE mode. before hand.


Data Log file : https://awcwebdesign.com/WB32.dat
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Last edited by 85Red-Z51; Jun 2, 2021 at 03:27 PM.
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Old Jun 2, 2021 | 04:55 PM
  #24  
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Originally Posted by 85Red-Z51
Ok WB02 installed...
I changed the settings you have listed above. I told WUD to VE learn via WB instead of BLM. I did a load in the 2000rpm range to hit as many spots as I could, and also took it for a drive about 2 miles down the road with RMPs from 750 - 3600 holding in each range with braking to catch as many points as possible. Right off the bat it changed the 600-1600 rpm and MAP 40-60 ranges a LOT in the VE Corrections, I had at least 15 spots with +10-15 point corrections. But I got up in the 200-3000rpm rages and hardly anything was changed at all. I flashed this BIN with changes and did another VE Learn session duplicating the route and another datalog. There were a few changes with -1 but not near as many as the session before. Here are the results.
I also Set "BLM - RPM Threshold" from 450 to 6000 and "PE - TPS% Enable Threshold" Set all cells to 100% to prevent PE mode. before hand.


Data Log file : https://awcwebdesign.com/WB32.dat
When I do my wide band learns I force open loop and learn from the wide band.. open idle open cruise flags and let it go. Then it'll always read and not fight the BLMs. The way you did it also works fine but doing what I did it forces it to match the commanded AFR tables. I dont think it makes a difference.
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Old Jun 2, 2021 | 05:39 PM
  #25  
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Ok New VE learn (number 34).. Pumped up and smoothed out the SA table also. Did my 4 miles run down the service road between 45-60mph various loads, then hit the Interstate coming back and ran up to 85mpg and 4500rpm steady. NO knock counts the whole time. It did add a couple of +9/10 at the bottom end.




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Old Jun 3, 2021 | 10:35 AM
  #26  
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Ok morning updates..
1. This morning I set the "TPS - ADC Gain Term for TPS" value so I get 100% when WOT with KOEO as Street Lethal suggested in the thirdgen forums
2. The SA - MAIN Tables from a stock L98 were copied over to the EBL, this raised several cells at least 7-9 in value all around.
3. PE values put back into place.
Waited for engine to get up to temp (190degs) and took her for a spin trying to hit as many cells as I could and highway runs.
With steady throttle all the way to WOT I still had zero knock anywhere, I think I can bump another few degrees and see what she will take.
I see 1 big hick-up around the 34-3600rpm cells, will have to look at that on the VE table
The SA table looks much better then yesterday and she has more torque seat of the pants all around.

Session 37 Datalog : https://awcwebdesign.com/WB37.dat




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