EFIDynoTuning Forum

Thank you both.
That’s a huge help. Lots to take in.
Will keep reading.

Back again. Playing around with dashpot. With my old foxbody strategy it seems there are really only 2 tables to play with
1 The dashpot airmass clip lbs/min at RPM and
2 decay dashpot at airmass lbs/min
I think I'm missing some math here and honestly I don't completely understand this.

Seeing as I can't really screw anything up too bad playing with only these 2 tables I did some experimenting. Lowering my airmass at lower RPMs got rid of the sucking sound from the IAC and got rid of my cruise control at pretty much all speeds. I still get a little bit of a hang at around 1600rpm.
I keep raising the airmass at lower dashpot settings in the decay table but I still get a slight hang there.
I've attach a short log and a screenshot of my decay and airmass clip tables, if anyone has time to explain what I'm doing wrong.
Thanks

eta: also, does “emulation” mean I can make changes while the car is running? Do I need to do anything other than enable emulation or do I have to hit the up arrow after a change? I’ve just been doing it a bin at a time and if there’s an easier way, all the better.

When emulating is enabled when you same a change it commits it to the ecu. No need to upload it.

Thanks.
Anyone have an idea as to what cell I would adjust in the Decay table to stop the 1600rpm hang. Do I simply see what my Dashpot gauge reads when logging, and adjust at that Dashpot on the table? When logging I often see Dashpot sitting at .5000. Is that it clipping at that RPM?.......It seems to coincide with ISC DC reading .51.

You probably need to reduce the maximum clip at that rpm range but I see your table only has 5 rows. Mine has 7 so i have more adjustablilty. Can you add in more rows? If its too far open from the start you will have a cruise effect unless the decay is super fast which defeats the purpose of dashpot. Try reducing the maximum clip in that area (1100) more. You can also log the dashpot and look to see how much dashpot you have when its hanging and increase the decay rate at that dashpot range to try and iron it out but to me it sounds like there is too much preposition at that rpm.

Thanks for the tips. I tried using some of the default settings from the Dashpot write up. All rpms below 3500 set at 0.0 and 3500 up at 2.0. Been playing with the decay settings, but keep getting the hang at around 1600 still. When this happens, the Dashpot gauge on the dashboard sticks at .5000 and stays there until rpms finally drop down. ISC DTY sticks at .51 when this happens
I'll play with more extreme decay settings but I have a feeling it's something unrelated to dashpot.

dasmin is holding you reduce that sacalar

is that called something different under the parameter tree? i expanded every friggin + sign and i’m not seeing it.

hold control and press f to bring up the find box and type it in

Thanks,that got me back on track.
If I want to drop my idle desired idle down to say 800rpm, can I just change that (nubase?), reset my throttle stop to get proper ISC DTY, and redo my dashpot? Or do I need to go through all the steps in the Idle writeup? It’s currently a little high at 1024 rpm.