im noticing that the main reason why the engine stalls is because of too much AE at 0% tps. since its a stick car, the problem is magnified. say im pulling out of a parking spot, the intial rev to feather in the clutch and simultaneously turning the steering wheel, it will stall when i push in the clutch again and go to put it in first while turning the steering wheel the other way. since i dont have a PS line sensor, the ECM doesnt compensate for the cramp, and it stalls. during this time, since the ECM sees the idle dip, usually its recovering from the intial rev, it retracts the IAC but also adds in too much AE and my WB dips into the 11's, even stays there after it stalls. if i free rev it, it barely recovers just sitting there. so from what i understand, i can adjust the filter coefficient to lag the AE but it stills has an adverse effect, just delays the stalling. i need to limit the AE significantly at engine speeds at 900 rpms and below. couldnt find anything though. what else could i do?

and thanks RBob, i read this and found it helpful
https://www.thirdgen.org/forums/diy-...ients-map.html

this is for SAUJP

It may be the stall saver kicking in. Hit the Tuning Guide Book sticky, chapter 5, '7730 ECM. There is a thread listed there where I do into how the $8D stall saver works, and why it causes modified engines to stall.

It may be that there is also too much MAP AE. Try eliminating it and going only with dTPS% AE. Of course the VE tables also affect this as the RPM dips.

RBob.

forgot to mention that i did reference that part of the tuning guide and have already zero'ed out the stall saver advance tables that you specified. it helped tremendously, i was actually able to drop the idle down i little more. the VE tables are pretty close right now, the problem always happends when AE is activated.

are you referring to the delta map enable vs tps table starting at 59A? originally i raised that value in the first row and it helped but when driving at part throttle under 12% tps there would be no AE and the engine would stumble. since the speed limit on base is 25mph, the problems are more noticeable than usual. so i returned it to the original value and fixed that but the stalling is back to where it was. i was browsing the AE params and found the AE async factor vs. delta tps multiplier starting at 543. i reduced the multiplier value in the 00% row from 1.05 to 0.60. havent had a chance to try it yet but does that seem like it will help?

It doesn't seem like the 11:1 would cause the engine to stall. It isn't that rich.

Maybe add some SA at the lower RPM ranges where the engine is having trouble running.

> but when driving at part throttle under 12% tps there
> would be no AE and the engine would stumble.

Lower the TPS% threshold for AE.

If the stalling is from too much dMAP AE, then need to reduce the MAP AE contribution. There are MPFI calibrations that GM released that have no MAP AE. It is all on the dTPS% value.

RBob.

okie dokie i reduced the min tps for AE from 3.9 to 2.5% tps.

im looking map AE right now....
AE mult vs delta map- thinking of bring the 0 cell to 0 mult?
going to try that and add some timing in the 60-100 kpa 700 and below rpm range.