SD WB tune
Jan 17, 2006 | 03:43 PM
#1
SD WB tune
Over the weekend I decided to get off of my lazy azz and give the SD tune, with a WB, a shot. Took about 3-4 20min or so drives to get it pretty close. Couldn't believe how out of whack the factory VE table actually is with just having "some mods".
Wound up leaning (on average) the 400rpm by 22%, the 800rpm by 15%, and the 1200rpm by 7% for idle and idle transistion. Responsiveness has improved dramatically for off-idle and PT driving. I still need to work on the 1600 - 2000 area from 25 - 55 MAP as it seems to be running about 1.2% lean CAFR vs Actual AFR.
Overall the VE table is shaping up pretty good and has much improved the responsiveness and driveability of the truck. No more nasty rich fumes at idle either. It sure makes it more fun to drive as the tune starts coming together.
Here is a before and after of the VE table.
Wound up leaning (on average) the 400rpm by 22%, the 800rpm by 15%, and the 1200rpm by 7% for idle and idle transistion. Responsiveness has improved dramatically for off-idle and PT driving. I still need to work on the 1600 - 2000 area from 25 - 55 MAP as it seems to be running about 1.2% lean CAFR vs Actual AFR.
Overall the VE table is shaping up pretty good and has much improved the responsiveness and driveability of the truck. No more nasty rich fumes at idle either. It sure makes it more fun to drive as the tune starts coming together.
Here is a before and after of the VE table.
Jan 17, 2006 | 05:02 PM
#2
Originally Posted by Okie5.3
Over the weekend I decided to get off of my lazy azz and give the SD tune, with a WB, a shot. Took about 3-4 20min or so drives to get it pretty close. Couldn't believe how out of whack the factory VE table actually is with just having "some mods".
Wound up leaning (on average) the 400rpm by 22%, the 800rpm by 15%, and the 1200rpm by 7% for idle and idle transistion. Responsiveness has improved dramatically for off-idle and PT driving. I still need to work on the 1600 - 2000 area from 25 - 55 MAP as it seems to be running about 1.2% lean CAFR vs Actual AFR.
Overall the VE table is shaping up pretty good and has much improved the responsiveness and driveability of the truck. No more nasty rich fumes at idle either. It sure makes it more fun to drive as the tune starts coming together.
Here is a before and after of the VE table.
Wound up leaning (on average) the 400rpm by 22%, the 800rpm by 15%, and the 1200rpm by 7% for idle and idle transistion. Responsiveness has improved dramatically for off-idle and PT driving. I still need to work on the 1600 - 2000 area from 25 - 55 MAP as it seems to be running about 1.2% lean CAFR vs Actual AFR.
Overall the VE table is shaping up pretty good and has much improved the responsiveness and driveability of the truck. No more nasty rich fumes at idle either. It sure makes it more fun to drive as the tune starts coming together.
Here is a before and after of the VE table.
The SD stuff works pretty well doesnt it. I myself was impressed after I messed around with EFI for a while. Tweaking the VE table makes it run and act alot different!!
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