Camaro 6.2l Tuning Help

[DocZ28]

Hellow there

Back in the forum, It has been a long time since my last post.
My Car was out too much time but finally is back.
Now it needs a lot of tune.

It is a 2000 Camaro Z28. It has some mayor change since the last time. These are the mods
6.0L Iron Block bored to .060
LS6 Hand Ported heads 296 cfm intake, 235 exh.
Cam 230/236 .612”/.607” 111LSA
Ls6 Intake and ported TB
Long tube headers and dual exhaust
3600 stall and Rear 3.90
Sreet and Strip car.

The car feels very strong but no I have some issues.
I try to test the car in the track but could not do it cuz. In the low and mid range the tlft are not so bad but top end the engine goes lean, Pretty lean.

I was using my last tune, I made minor changes to size of cylinders, and Idle tune but when firt start, the engine stalls and die until get in normal temp.

I have no WBO2 rigth now so where I should start?

[joecar]

Hi Doc

You will need a WBO2.

Are you running with MAF...? If so you will need to tune both the VE and MAF tables.

What injectors do you have...? You will need to calculate the IFR using the spreadsheet.

How many miles are on your NBO2's...? If you have more than 60K you will need new NBO2's.

Have a look at this: A-New-Twist-on-CALC-VE-Table-Computing-the-Entire-VE-Table (http://forum.efilive.com/showthread.php?15236-A-New-Twist-on-CALC-VE-Table-Computing-the-Entire-VE-Table)

After playing with that you will need to look more closely at idle tuning:


Idle Tuning
showthread.php?4661-Idle-Tuning-Helpful-Info-Inside (http://forum.efilive.com/showthread.php?4661-Idle-Tuning-Helpful-Info-Inside)
showthread.php?14439-Idle-Tips-amp-Tricks (http://forum.efilive.com/showthread.php?14439-Idle-Tips-amp-Tricks)
showthread.php?5866-Auto-VE-questions (http://forum.efilive.com/showthread.php?5866-Auto-VE-questions)
showthread.php?14153-scan-tool-wont-log-rafig-or-rafpn (http://forum.efilive.com/showthread.php?14153-scan-tool-wont-log-rafig-or-rafpn)
showthread.php?14435-Need-help-Can-Start-Car-but-dies-when-I-give-it-any-throttle-before-going-to-CL (http://forum.efilive.com/showthread.php?14435-Need-help-Can-Start-Car-but-dies-when-I-give-it-any-throttle-before-going-to-CL&p=129519&viewfull=1#post129519)
showthread.php?7011-ETC-cars-and-IAC-parameters (http://forum.efilive.com/showthread.php?7011-ETC-cars-and-IAC-parameters&p=61455&viewfull=1#post61455)
showthread.php?14544-Working-on-my-idle-tune (http://forum.efilive.com/showthread.php?14544-Working-on-my-idle-tune)
showthread.php?14794-Help-with-open-loop-(cold-start)-tuning (http://forum.efilive.com/showthread.php?14794-Help-with-open-loop-(cold-start)-tuning&p=133446#post133446)
showthread.php?149-Idle-(Transition)-Tuning (http://forum.efilive.com/showthread.php?149-Idle-(Transition)-Tuning)

More Idle Tuning
showthread.php?t=149 (http://forum.efilive.com/showthread.php?t=149)
showthread.php?t=5866 (http://forum.efilive.com/showthread.php?t=5866&highlight=RAFIG)
showthread.php?p=86553 (http://forum.efilive.com/showthread.php?p=86553) post #17
showthread.php?t=2630 (http://forum.efilive.com/showthread.php?t=2630)
showthread.php?t=473 (http://forum.efilive.com/showthread.php?t=473)

Throttle Cracker/Follower
showthread.php?t=3568 (http://forum.efilive.com/showthread.php?t=3568)
showthread.php?t=4081 (http://forum.efilive.com/showthread.php?t=4081)
showthread.php?t=5406 (http://forum.efilive.com/showthread.php?t=5406)
showthread.php?t=5940 (http://forum.efilive.com/showthread.php?t=5940)

[ScarabEpic22]

+1 for a wideband, you can get a stock car semi-close without one, but a setup like yours will need a wideband to calibrate the VE and MAF tables.

[DocZ28]

I´m running MAF, 28lbs injectors, my O2 sensors are new, How far can I go on tuning. Until I get the WB, also which one do you recomend.

[joecar]

If you have FlashScan V2 then get a wideband that has serial comms, see attached pic.

12370

[DocZ28]

And for the V1 Flashscan?

[ChipsByAl]

I'd still recommend choosing one that Joecar shows. When you upgrade to the V2, you will be thankful. No ground offset issues and a very simple connection.
Al

[DocZ28]

I only see the list I suppose any of these are almost the same.

I Will orde my WBO2. But witch one PLX or LM2.

[Chuck L.]

I'd also suggest you install a fuel psi sensor, and record it. [There's a tutorial on it]
Have you checked the FP since the rebuild?
With an engine at that build level, I would be looking at inj dc..Injs could be an issue.

[DocZ28]

thanks for the remainder, I check inj DC, ant at hi rpm the readings is about 80´s%. But I have no check the fuel presure. The pump is has about 2 years, maybe like 5000 miles. It was good when I pull out the old engine. But since the new engine, I did not check the presure.

[Sid447]

You're going to have a tough time,


While still using 28lb injectors and a stock fuel pump.
Both are insufficient for what you have.

http://www.rceng.com/technical.aspx

[DocZ28]

You're going to have a tough time,


While still using 28lb injectors and a stock fuel pump.
Both are insufficient for what you have.

http://www.rceng.com/technical.aspx

Good Point
I have 28.8lb injectors. The fuel pump is Walbro 255lb/hr.
What injectors size I need? The Calculator says 32 lb

[Sid447]

The 36lb,

Bosch injectors would be needed.
Then your time won't be wasted tuning the engine with an insufficient fuel supply system.

[DocZ28]

The fuel pressure is ok, or it seems ok. I´m getting some hesitation in the range of 1000 to 2000 RPM. I´m not sure if ther is to much fuel or needs mor fuel. It only happen when the engine is not in normal op temp.
I´m also getting the DTC P0101.
Change MAF and still the same DTC P0101

[Chuck L.]

"The fuel pressure is ok, or it seems ok.".. It's one or the other. That's where the data logging of PSI will help.

[DocZ28]

In this moment can be the two scenarios lol. I connect a gauge and reads 59 PSI in low range from 800 to 3000 RPM. I don´t want to test in wot. Cuz More than 4000RPM the O2 goes near .100 mv. And runs like crap.

[DocZ28]

Just check the FP tutorial, great info.

[DocZ28]

Finally I have a WB, where to start? Calc VE Tabel, Auto VE, I´m a little confused

[Taz]

Hello Doc,

You can use either the newer CALC VET tuning method, or the previous AutoVE / AutoMAF combination method. With non-OEM injectors, good results will depend on the accuracy of your injector data.


Regards,
Taz

[joecar]

Start with the Calc VET tutorial, make sure you carefully read the tutorial thread's post #1 and it's summary thread.

[DocZ28]

I start to do the change in order to log and tune. I first note one pid error, CALC. PE but now I see it changed for CL. but I´m confused. I have V1 and my WB is LC1

I need to writte this into my calc pids


Method 2:
Using LC-1 as example:
Define CALC.LAMBDA to be {CALC.AFR_LC11}/14.7
Define CALC.WO2BEN1 (CLC-00-110) to be {GM.EQIVRATIO}*{CALC.LAMBDA}

You could also reduce those two pids into a single pid:
Define CALC.WO2BEN1 (CLC-00-110) to be {GM.EQIVRATIO}*({CALC.AFR_LC11}/14.7)

If so what will be the entire info that I need to enter in the calc.pid.t

Regards

[DocZ28]

If someone can help me with the calc pids.txt. for V1. The logs trows me rare info.

[joecar]

I'm out of town for a week, but I'll see if I can help you with that...

You need the calc_pids.txt file from the Calc VET thread, you simply need to edit those 2 pids as post #1 in the thread says... but I'll see if I can do it for you over the next day or two (internet access permitting).

[DocZ28]

Thank you Joe I will appreciate. I´m getting error in one pid.

[joecar]

Thank you Joe I will appreciate. I´m getting error in one pid.What does the error says (copy/paste here)...?

Post your calc_pids.tx file.

[DocZ28]

What does the error says (copy/paste here)...?

Post your calc_pids.tx file.

BEN from Serial WB {CALC.WO2BEN}

Expression:
factor = {GM.EQIVRATIO}*({CALC.AFR_LC11}/14.7)
is NOT valid because:
Required parameter {CALC.AFR_LC11}, at position 32 is not selected.

PID value cannot be determined because
the following error would occur:
Expression not valid: Required parameter {CALC.AFR_LC11}, at position 32 is not selected.

[5.7ute]

Doc, what this message is telling you, is that you need to select the CALC.AFR_LC11 pid before the other pid can become active.

[DocZ28]

Yes I thought that but I couldn´t find it in the drop list.
How do I add it.

[5.7ute]

Yes I thought that but I couldn´t find it in the drop list.
How do I add it.

First you need to ensure that you are selecting all the necessary pids for the LC1. To use the calc pid CALC.LC11_AFR with the v1 flashcan you need the LC1 output to go into the AD1 inputs.Then you need to log the EXT.AD1 voltage pid. The calc afr pid should then become available(easier to find anyway in the calculated group of pids)
If you still cant find it post your SAE generic txt file. This is in the program files/efilive/user configuration folder if I remember correctly.(dont have efilive here)

[DocZ28]

I have one question. In calc_pids.txt
where: *CLC-00-300 % 0.0 100.0 .2 "{SAE.MAF.gps}*({CALC.DYNAIRTMP}+273.15)/{SAE.RPM}/{SAE.MAP.kPa}*3445.2/displacement()"

I have to put my displacement? or I leave it like already is.
If I need to put it, It will go like this *CLC-00-300 ............{SAE.MAP.kPa}*3445.2/displacement(376)"
or like this *CLC-00-300 ............{SAE.MAP.kPa}*3445.2/(376)"

Or I´m really lost.

In the tutorial says that set in log propieties in engine size change displacement, but I wonder what is the difference if you can not set it before logging, until you save the log.

Any help will be welcome

[joecar]

Hi Doc,

Do this:

A. Set Displacement: open a Log File, go Edit->Log File Information->Vehicle Options, and next to Engine enter the displacement in cc, click Ok, and save the log file. This matters only if you're planning to use [%] units for VE.


You can set the displacement after the log has been taken; just remember to save the log again after you set the displacement.

[DocZ28]

So If I´m using g*K/kPa, It doesn´t matter, I won´t have to do this?

[DocZ28]

Does LM2 work with V1?

[joecar]

Does LM2 work with V1?Yes, you may need to program it to have the same AFR:V function as the LC-1.

[DocZ28]

Returning the post from the death.

I don´t know what WB should I get.

LC1, LM2, or PLX. I´m V1 user. Any coments about these WB?

Regards

[joecar]

I'm partial to the LC-1...

[DocZ28]

I'm partial to the LC-1...

Tks for you reply Joe,
So your choose is for the LC-1?

[joecar]

Yes, I have two of them I use.

[DocZ28]

If this is the best option, I will buy that one.

Tks Joe

[joecar]

It's not necessarily the best, but it is the best for the price (and it's seems fairly accurate, and fast)...

there have been a few problems with Innovate products, but they will easily replace any defective units with new ones.

[DocZ28]

What about calibration, I know you have to calibrate at least once a month.
I read that the PLX not need it. This "advantage" could cause unaccurate readings?

I like the touchscreen PLX gauge, but I want accurate readings. Which do you recomend to buy?

[joecar]

I don't know how the PLX calibrates itself... we would need some input from PLX users.