Head Cam Intake ls1 2002 trans am

[joecar]

What I decided to do was use CALC MAFT and compute my VE values with no MAF. I will be doing this calculation with only using my wideband sensor.

What should I do to my CALC PID file from before? would it be the same as my calc vet PID file?

Calc.MAFT does this:
1. it corrects the VE table;
2. it calculates a MAF table based on 1. above, but it requires the MAF to be installed because you need MAFFREQ in order to be able to create a MAF table.

So, yes, Calc.MAFT is done in SD (and certainly in OLSD, see OL note below), but your MAF must be present (and disabled in the tune so it causes a MAF DTC), and you log MAFFREQ from it.


OL: to do Calc.MAFT or Calc.VET in OL (i.e. using WB only), edit CLC-00-220 to always select CALC.WO2BEN as follows:

change this:

*CLC-00-220
factor     0.5   1.5   .4  "iff({CALC.CL}, {CALC.LTFTBEN}, {CALC.WO2BEN})"

to this:

*CLC-00-220
factor     0.5   1.5   .4  "iff(0, {CALC.LTFTBEN}, {CALC.WO2BEN})"

the 0 is a zero.


Yes, it is the same calc_pids.txt file (I made it that way on purpose).

[joecar]

By the way I will be running OLSD. Is this a bad idea?

See note above on OL.

If you don't have a MAF, you can still calculate CALC.MAFT (and display it on chart/graph), but you can't populate table B5001 unless you also have MAFFREQ.

[joecar]

More questions I hope someone can answer these

b3618(PE modified based on RPM), I was reading the AutoVE tutorial and it said to make these stoich for OLSD. It also said to make my VE table 15% rich. I understand the VE part but I do not want my PE table to be stoich above 3200 RPM. Is this correct and does the rich VE table allow me to do this?

I also looked at what theys said the COS 5 A/F table should look like and it was only rich above 80 KPa in MAP and below that pressure it was stoich for all RPMs. wouldn't I run into detonation problems for 6400 RPM, 60 KPa Map, and stoich?

I wouldn't... I would set B3618 sufficiently rich to prevent/avoid motor damage (detonation).

With the COS, you can do either or both: set B3618 rich and/or set the high load area of B3647 rich... I do both.

Also, note that while tuning, any stoich cells in B3647 will cause OL STFT trimming to stoich (this is a feature of the COS)(this is same as B4206 in GM OS).

Also: make sure PE enables ok, copy B3616 from a Camaro/Firebird tune.

[joecar]

Are you running boost...?

[joecar]

if the second one is inverted wouldn't the first one be inverted as well.

Yes, you are correct, my mistake, I think I was very sleepy at that time...


I meant to say "those are inverted".

[joecar]

<1 Lambda is Lean
<1 EQR is Rich

Jim,

In my post above, I meant to say "those are inverted".

[oreobadr]

Are you running boost...?

I am not running boost but my next car will be boosted.

[oreobadr]

I wouldn't... I would set B3618 sufficiently rich to prevent/avoid motor damage (detonation).

With the COS, you can do either or both: set B3618 rich and/or set the high load area of B3647 rich... I do both.

Also, note that while tuning, any stoich cells in B3647 will cause OL STFT trimming to stoich (this is a feature of the COS)(this is same as B4206 in GM OS).

Also: make sure PE enables ok, copy B3616 from a Camaro/Firebird tune.

Brilliant answer. Thank you so much. I will try tonight.

[joecar]

...

With the COS, you can do either or both: set B3618 rich and/or set the high load area of B3647 rich... I do both.

...

What I said here ^ applies to OL.

In CL, you would use B3618 only since B3647 would not become active at WOT.

[oreobadr]

What I said here ^ applies to OL.

In CL, you would use B3618 only since B3647 would not become active at WOT.

Why would b3647 not become active at WOT?