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eddieflyinv · 10-24-2016, 08:18 AM

@504 @sqd @dhuang finally got around to this.
Just an example of my current settings for overrun, not too much has changed from my previous experiment, mind you im just starting playing with it again

First 3 tables are located in Fueling - Overrun Folder
- Overrun Initial Enrichment @ 1.2
- Fuel Cut Threshold @ 6000
- Overrun Enrichment Activation Delta @ -15
Last 2 Tables found in Ignition Timing - Advance Folder
- Rescaled the Base Timing Idle (In Gear Above Speed Threshold) table, like I mentioned before, my preference was for this to only start occurring when the engine was almost warmed up
- Raised the value in Base Timing Idle Vehicle Speed Threshold table, this helped quite a bit to avoid low speed jerkiness (10km/h because canada)

As mentioned before, may have to play with the amount of Overrun Enrichment and the values used to retard timing in the Base Timing Idle table, previous tunes were Stage 1 with Stock headers and catless overpipe, and with the stage 2 tune and no cats I have reduced Initial Enrichment from 2.8-1.8 to 1.2
Things acheived
- Lots of explosive crackles at high rpm lift,
- Crackles between shifts (with slight delay, seems to be more time related than rpm related, so OL/CL transition delay settings may potentially alter that)
- downshift bangs, lately they seem to be singular (only had this tune up again since last night) but theyre loud, though they are not rpm limited anymore, (never used to get them above 3krpm before)
- feathering popping/crackle, find that spot and it will pop endlessly, often on tip in there is a slight initial crackle, and if you have your cruise on going down hill your car will sound like automatic gunfire the whole way down 🙊 not sure if the tip in crackles can be gotten rid of, seems to be table switching delay so maybe messing with the OL/CL transition delays could reduce or eliminate that as well.

Sent from my LG-H812 using Tapatalk

10-24-2016, 08:18 AM	#369
eddieflyinv Senior Member Join Date: Jul 2014 Drives: 2013 Scion FR-S Location: Ireland Posts: 225 Thanks: 133 Thanked 57 Times in 43 Posts Mentioned: 6 Post(s) Tagged: 2 Thread(s)	@504 @sqd @dhuang finally got around to this. Just an example of my current settings for overrun, not too much has changed from my previous experiment, mind you im just starting playing with it again First 3 tables are located in Fueling - Overrun Folder - Overrun Initial Enrichment @ 1.2 - Fuel Cut Threshold @ 6000 - Overrun Enrichment Activation Delta @ -15 Last 2 Tables found in Ignition Timing - Advance Folder - Rescaled the Base Timing Idle (In Gear Above Speed Threshold) table, like I mentioned before, my preference was for this to only start occurring when the engine was almost warmed up - Raised the value in Base Timing Idle Vehicle Speed Threshold table, this helped quite a bit to avoid low speed jerkiness (10km/h because canada) As mentioned before, may have to play with the amount of Overrun Enrichment and the values used to retard timing in the Base Timing Idle table, previous tunes were Stage 1 with Stock headers and catless overpipe, and with the stage 2 tune and no cats I have reduced Initial Enrichment from 2.8-1.8 to 1.2 Things acheived - Lots of explosive crackles at high rpm lift, - Crackles between shifts (with slight delay, seems to be more time related than rpm related, so OL/CL transition delay settings may potentially alter that) - downshift bangs, lately they seem to be singular (only had this tune up again since last night) but theyre loud, though they are not rpm limited anymore, (never used to get them above 3krpm before) - feathering popping/crackle, find that spot and it will pop endlessly, often on tip in there is a slight initial crackle, and if you have your cruise on going down hill your car will sound like automatic gunfire the whole way down 🙊 not sure if the tip in crackles can be gotten rid of, seems to be table switching delay so maybe messing with the OL/CL transition delays could reduce or eliminate that as well. Sent from my LG-H812 using Tapatalk Last edited by eddieflyinv; 10-24-2016 at 08:47 AM.