I havent had a chance to dyno any of my tunes yet, but I was wondering
(depending on timing of course) what a good way to determine a tunes
power is by looking at the pulse width.  I just would like to know
until I can get to a dyno.

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thanks,

I read your profile today, I thought I would drop you a line and hope to become
your friend! Check my personal page
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Under each folder, where there are ABC options, look up to the page
marked "parameters" and read that

Okay I spoke too soon. I realized that the LB7 also has A,B and C
tables for timing.  Are there other parameters that must be met to
control which tables are used?

What is the reason for A,B and C tables for the LLY?  Can you pick one
that it uses or does it use all three?  I noticed on the LB7 it only
has one table?  Am I missing something obvious here?  I noticed that
they do differ from one another.  Another question I have is, I was
doing some research on that 80hp tune in the file folder.  Is it safe
to say that most of the power comes from timing in that file?

Thanks Micheal!

It is labeled as a percent symbol, IIRC.  Make sure you select the
cells you want to change, enter a number then select the #, +/-, or %.

Very much the language of excel.  Anyone who uses excel will find this
easier.

Keep em coming, Dan.  Remember where the manual is located also.  It
does answer a fair number of these questions.  Good that you are
playing before deciding to purchase, because some find that EFI is not
for them.  You, OTOH, are doing exactly as EFI wants and intended:
sampling to determine if it is right for you.

--- In EFILiveTuning@yahoogroups.com, "lpdtuning" <lpdtuning@...> wrote:
>
> Yes thanks a lot!!!
>
Is there a way to change a whole table by a certain percent?  I know
that sounds like a generic way to increase pulse width and fuel
delivery, but if a guy could do that and then move the properties
around the table to lower the powerband, it would make it a little
easier to change it without changing them one by one.  Also, thanks for
all the help.  Im sorry if I sound ignorant, but I really want to learn
a lot about tuning these motors, and I want to do it right.

Yes thanks a lot!!!

I read your profile today, I thought I would drop you a line and hope to become
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Dan

changing from metric to imperial and back is a simple preference
option, fairly easy to find.  On the drop-down-menus, go to:

Edit/configure display units, and select imperial for everything to
begin

Does that answer your other question?

Michael

--- In EFILiveTuning@yahoogroups.com, "Michael" <beekiller@...> wrote:
>
> Welcome, and Good Morning
>
> That is a loaded question.  There are several good document
> references in the library here to help with that.  But to stay
> brief, IAT timing and ECT timing are very important tables to
> consider.  For example, as IAT increases, the compression rises to
> auto-ignition temp sooner in the C stroke.  If timing is not
> retarded as this condition worstens, then ignition becomes non-
> optimally over-advanced, and that can spike cylinder pressures
while
> losing power.
>
> As for boost, it too has an impact on optimum timing.  And of
course
> if you want to burn more fuel then you need a way to dose more air,
> though we do have excess air to some extent, so more boost is not
> critical with diesel tuning.  Also don't have detonation worries.
>
> Also, if you didn't know already, you can view what most tuners do
> to tuning using EFI.  Just read the PCM after downloading the black
> box tune.  This can give the beginner a really good idea.  There
are
> very simple minded tuners, like diablo (Timing Boost Fuel), and
> tuners that do consider more impacts and change up the peripheral
> tables (histograms) as well, PPE comes to mind.  This does give
some
> insight also into which companies put more effort into tuning.
>
Thanks a lot Micheal, if you didnt know I'm diesel dan on the
Garage.  (I guess I should have cleared that up...LOL) Anywho,
another question that comes to mind is, can I change the graphs from
kPA to PSI, and Celcius to Farenheiht?  I think if I could do that It
would help me a lot.  I copied and pasted the table into the
conversion tab but the only thing that changes are the values in the
boxes, not the others?

Welcome, and Good Morning

That is a loaded question.  There are several good document
references in the library here to help with that.  But to stay
brief, IAT timing and ECT timing are very important tables to
consider.  For example, as IAT increases, the compression rises to
auto-ignition temp sooner in the C stroke.  If timing is not
retarded as this condition worstens, then ignition becomes non-
optimally over-advanced, and that can spike cylinder pressures while
losing power.

As for boost, it too has an impact on optimum timing.  And of course
if you want to burn more fuel then you need a way to dose more air,
though we do have excess air to some extent, so more boost is not
critical with diesel tuning.  Also don't have detonation worries.

Also, if you didn't know already, you can view what most tuners do
to tuning using EFI.  Just read the PCM after downloading the black
box tune.  This can give the beginner a really good idea.  There are
very simple minded tuners, like diablo (Timing Boost Fuel), and
tuners that do consider more impacts and change up the peripheral
tables (histograms) as well, PPE comes to mind.  This does give some
insight also into which companies put more effort into tuning.

Hi there, Im new to the group. Just downloaded EFI to my laptop from
their website.  I am astounded of how many parameters there are to
adjust with this software.  I know many people that have it but was
never aware of all the custom tuning availabilites.  I have a lot to
learn, but I am also a very quick learner.  I do have a couple ?'s
already though.  When someone is tuning mostly pulse width, timing and
delivery, is there a need to change target positions for the turbo, or
IAT or ECT limit settings?  Im just trying to figure out how much the
average tuner changes a lot of those settings and for what reasons you
would want to change them.  Thanks a lot guys.

if you are referring to the DD80 tun you uploaded, that is the tun I
built, timing and fueling is the same.

Hello,

This email message is a notification to let you know that
a file has been uploaded to the Files area of the EFILiveTuning
group.

   File        : /Tune repository/Diesel/LB7/135hp.tun
   Uploaded by : tahoedmax <tahoedmax@...>
   Description : Adam Perry's 135hp tune

You can access this file at the URL:
http://groups.yahoo.com/group/EFILiveTuning/files/Tune%20repository/Diesel/LB7/1\
35hp.tun

To learn more about file sharing for your group, please visit:
http://help.yahoo.com/help/us/groups/files

Regards,

tahoedmax <tahoedmax@...>

you can log egr position, wink, wink.  A tip:  I have found a number
of tables in EFI that did NOT work when I started out.  Fortunately,
the EFI crew was attentive to my mention of this and they all got the
bugs fixed.  I find, now and then, that something doesn't work as I
thought it would, I have often found that Ross and Paul overlooked
another parameter, and they usually track it down.  We are going
through this right now with idle timing.

It may seem impossible for EGR to operate if you disable it, but if
EFI overlooked another enabler, you may still have EGR actuation.

your learning curve has been good.

It is now time to introduce logging into your process.  You will be
able to diagnose just about any little thing.  The log is like the EKG
to a cardiologist.  I have solved several surge issues this way.

But once you master the logging/diagnostic process, you will never
need a tech again.  In fact you will be more qualified than they are
is many respects.

---

To: EFILiveTuning@yahoogroups.com
From: tahoedmax@...
Date: Sun, 14 Oct 2007 07:17:47 +0000
Subject: [EFILiveTuning] fixed it

Nevermind i fixed it. I think im the only person who reads these anyway.

Nevermind i fixed it. I think im the only person who reads these anyway.

Turned the EGR off on your supplied 80hp (with less fuel), and now i
have a lopey idle.  Turning the EGR off was the only thing i changed.

B1501 to 500
B1504 to 60
B1505 to 151

Ideas? for now ill just click it back to stock parameters but i really
dont want to have the EGR active.

awesome i will get to it.  thanks for being so quick. ive already been
cheerleading for you on TDG haha.

http://f1.grp.yahoofs.com/v1/0FAQR8mqLo-
nODIONypmrpITqespinH2M4mYjFyadOVU5Zi6eiXU7pDxZO_ke_aEhthg66BUEt-
eANmhrUNxaw/Tune%20repository/Diesel/JordanWilcher80%20HP%20smoke.tun

give it a try.  Take look at it using the comparator feature, to see
the changes made from your stock tune.  Your Tire size was changed to
315's and the DIC has a guestimate correction for economy.

but in reality i probably do most of my driving at around 5600.