i spent a couple days tryin to get idle without drivability issues
engine and pcm is from 04' yukon denali 6.0l. 317 heads
i rebuilt it .020 over
started with a texas speed truck cam "212/218 on a 112" and the adaptive idle was able to control that cam fine. i didnt tune it and ended up grenading a china lifter and wiping a lobe. truck ran really good even on 7.5 cylinders :)
got it all cleaned up now, new lifters and truck norris cam. vitals are good, holds 96% all cylinders on leakdown test.
MY QUESTION.
STARTING FROM SQUARE ONE ON OEM TUNE
WHAT ADJUSTMENTS COME FIRST.
its gen 3 DBW
i wanna run both sd and maf.
spark tables are gross, all kinds of adder tables on the side and main tables have negative numbers from the factory to account for iat, afr, etc
idle spark tables dont match main tables. idle areas are 4? retarded from mains in idle areas.
this cam is zero overlap and around 14 degrees of added duration.
on factory tune it idles in park just fine with adaptives on and stalls into gear. i can force it to idle in gear and adaptives will take control. so its really not too far off just slightly from oem reset position. idle spark hunts around really bad with stock over and underspeed. i understand idle tuning procedure but i only have the capbility of tuning this thing on the road.
i ripped my wideband out of my other car and welded it in.
i have no dyno and no i wont bring it to a dyno.
i will attempt the steps necessary to get a base i can work with.
best i had it runnin so far was minus 5% ve from 0 to 800rpm
i have wideband in it now
LOG AND TUNE IS DOWN IN POST #7
I USED SUGGESTIONS FROM USER eXo3901