Engine Load PID

[mr.prick]

What do you guys think of this: 5055

SAE.MAF + GM.DYNAIR = Dynamic MAF

CI*0.00004671*{SAE.RPM}/2 = Theoretic Air

(CALC.DYNMAF.lbpm / CALC.THEOAIR.lbpm)*100 = Engine Load

I used the MAF PIDs because I'm running CLMAF.
They differed just slightly so I took an average of the two for my airflow.
It seems to work, but if someone else has done this different let me know.

http://i235.photobucket.com/albums/ee259/whitespar/EngineLoad.gif

[redhardsupra]

and why not just use dyncylair?

[mr.prick]

and why not just use dyncylair?

I associated GM.DYNCYLAIR with SD. :bangin:
also it is only available in metric units, and I have conversion problems. :grin:

I felt that because of the MAF being enabled, that SAE.MAF would be the best
for air measurement entering the engine.

Give me another option.

[redhardsupra]

i'm not sure whether it was dynair or dyncylair...one of them is the final cylair, which is what you want anyway. and you want metric units, grams are good for you ;)

[mr.prick]

i'm not sure whether it was dynair or dyncylair...one of them is the final cylair, which is what you want anyway. and you want metric units, grams are good for you ;)

How is it measured, with the MAP?

The formula for engine load that I ripped off was in lbs/pm. :hihi:
How about using Air Mass Per Cylinder {CALC.CYLAIR}
Expression:
Grams/cyl = {SAE.MAF.gps}*15/{SAE.RPM}

[joecar]

If you log GM.DYNAIR you will see that it overlaps SAE.MAF but without the squiggles that SAE.MAF shows.

(Also, if you look carefully, you will see that SAE.MAF lags a little behind GM.DYNAIR).

[mr.prick]

If you log GM.DYNAIR you will see that it overlaps SAE.MAF but without the squiggles that SAE.MAF shows.

(Also, if you look carefully, you will see that SAE.MAF lags a little behind GM.DYNAIR).

I guess that's why the differed slightly,
even so they are still inline with each other.
I' using the average between the 2 for airflow.

give me another combination for airflow,
also what about my Theoretic Air PID?
Does it make sense? :blahblah:

[mr.prick]

:music_whistling_1:

[redhardsupra]

what are you after with this load PID?

[joecar]

DYNAIR and MAF are producing the same thing, so I'm not sure what adding them means...

(altho the squiggles in the MAF signal may be due to standing wave forward/reflected interference)

I'm still thinking about it...

[redhardsupra]

the fact that after all these years we still don't have some official 'this is what X does' table, is a failure on the part of the companies selling the interface. tuning is a bit more complicated than making nails and just letting people put them wherever they'd please.

[mr.prick]

what are you after with this load PID?

I get the slightest bit of KR in a certain area, and I thought I could
filter out if LOAD is X at X RPM or what ever. :ermm:

It maybe frivolous, but it can't hurt.

[redhardsupra]

that's exactly what cylinder airmass is for, that's why all spark tables reference cylair. there's no need to reinvent the wheel, especially if you cannot reprogram anything here. it is what it is, learn to use it as intended and it will serve you well

[mr.prick]

I'm not trying to reinvent anything,
I just wanted to see if I get different results with a different PID to
use as a filter.

The spark tables can be tracked with Air Mass Per Cylinder {CALC.CYLAIR}