Off idle stumble...................

[XfireZ51]

Originally Posted by tpepmeie

Not true. There is a delta TPS AE factor. I do agree with your prior experience, the TPS-based enrichment does provide a better response off-idle.

For what it's worth, going from memory, the TunerCat tables/constants are not exactly labeled right for some of the AE items. What you see is indeed the Delta MAP AE table. If I recall the earlier calibrations have a rather flat enrichment regardless of D-MAP, while the later (BMCB) is more sloped. I think some of the other TC items are labeled wrong. I don't have it installed, so can't check it anyway.

A final "for what its worth", the very early development calibrations relied exclusively on D-TPS enrichment. The D-MAP feature didn't get put in until later, from what i can tell.

Todd.

Todd,

From what I've been able to see there isn't a AE PW table based on Delta TPS%. I do see a constant for Delta TPS% to allow MAP AE but again no table. The stock 92 bin has a flat AE PW for MAP. Which cal year started using the "sloping" AE? I'd like to look at that.
With modded motors it may make sense to add a bit of decay and possibly increase the PW a bit at the lower Delta MAP. Probably want a bit more fuel going there at smaller Delta MAP since tthe secondaries are not likely to kick in.