Duramax Diesels Forum Truck of the Week
  #16  
Old 11-09-2009, 10:40 AM
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Originally Posted by bradpeterson View Post
Your saying its not worth it? Is is it a not so great product?
It is far and away the best product for the Dmax hotrodder. Been using it for 3 years.

Sorry, my attempt at sarcasm was missed.

And yes, buy it from any vendor on this site and they will take good care of you.
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  #17  
Old 11-09-2009, 01:19 PM
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efi live is well worth it in my book. The vendors here can hook you up with it and help get you started.
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  #18  
Old 10-16-2014, 02:36 PM
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Hi
I am new to diesel as well, I've heard that using chips or tuning your truck can put too much pressure on engine and eventually you will have to rebuild it. Is it true?
Do i have to upgrade anything else if efi live tuner installed?
I am going to haul over 26000 gwr.
Thank you
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  #19  
Old 10-16-2014, 02:46 PM
Hot COCOAL Hot COCOAL is offline
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As with anything, there's more than one way to skin this cat...

There are a few things you'll want to look into...
Adding a lift pump would be my first suggestion, wether you tune it or not.
If you're going to run a tune, plan on adding a 4" exhaust and possibly opening up your stock air intake a bit...and possibly adding a good 3" downpipe too...

Towing that much weight I'd want to have a boost and a pyrometer (EGT) gauges on board...

If you're running a truck equipped with a 6ap Allison I'd also suggest adding a TransGo Jr shift kit to your transmission valvebody.

Take a while to use the search function on forums database and read as much as you can to get acquainted with what you're stepping into. With the proper amount of research you'll make good decisions and won't be disappointed
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  #20  
Old 10-16-2014, 10:33 PM
franki franki is offline
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Awesome, thank you for prompt reply.
I will start with lift pump, air intake and exhaust while educating myself about efi live ;O)) Would like to learn how to use it before i install it.
Once efi live done how often you modify the settings? Or it really depends on where and when you are driving?
I am going to pull 4 cars hauler, trailer by itself is around 7200lbs.
Thank you for you help!
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  #21  
Old 10-17-2014, 12:20 AM
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Quote:
Originally Posted by franki View Post
Awesome, thank you for prompt reply.
I will start with lift pump, air intake and exhaust while educating myself about efi live ;O)) Would like to learn how to use it before i install it.
Once efi live done how often you modify the settings? Or it really depends on where and when you are driving?
I am going to pull 4 cars hauler, trailer by itself is around 7200lbs.
Thank you for you help!
First off welcome!
Second what year of d-max do you have?
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  #22  
Old 10-17-2014, 12:28 AM
Hot COCOAL Hot COCOAL is offline
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Quote:
Originally Posted by franki View Post
Awesome, thank you for prompt reply.
I will start with lift pump, air intake and exhaust while educating myself about efi live ;O)) Would like to learn how to use it before i install it.
Once efi live done how often you modify the settings? Or it really depends on where and when you are driving?
I am going to pull 4 cars hauler, trailer by itself is around 7200lbs.
Thank you for you help!
First thing you should know about me is, I post novels!

But I do it because I try to be as thorough as possible to provide the best info I can without seeming "elusive" al in an effort to help and keep the desire for performance fire stoked


Installing tuning from an AutoCal is a breeze. There's really not a whole lot you need to "learn" you just contact your tuner of choice, they load tunes on the AutoCal for you, then you plug into the OBD2 port under the dash just left of the steering wheel. You pull and save your stock tune file to wipe the ECM and ready it for the performance tunes and then load the tune file. The initial process takes about 15min 7 to wipe the ECM and another 7 to load the tuning.

EFI live offers multiple options for tunning. You can get a single tune, 3 position tuning switch (DSP3) or a 5 position tuning switch (DSP5). "DSP" stands for Duramax Selectable Programming. The switch gets wired into your ECM and is simple to do, yet it's the most difficult part of the whole process.

You're gonna probably start like most of us do with "stock trans tuning" and a DSP5 switch. On a DSP5 you'll have an optimized stock, a heavy tow, a light tow, a street and a race tune. Stock trans tuning would be (respectively) stock, +50, +90, +110 and +130-150 wheel horse power (whp) over stock power output.

Because of the Allison Transmissions purpose built nature, it's not really up to the task of handling all the extra power tuning can provide, roughly around +90whp the transmission will start deteriorating. With a heavy foot and anything +90whp you can find yourself in need of a transmission rebuild very quickly. For this reason a TransGoJr shift kit is a necessity. It's not a be all fix all addition, but installing it before or with tuning and not after, will do your transmission well to live a longer life with the added power. They cost about $100 bucks and take about 2 1/2 hours to install.

You can save some money by modifying the stock air intake with the PPE air intake mod, you can do this in about 30min with basic tools in your garage, there's no real need to buy an intake as the Donaldson air filter flows plenty and is a really good filtration unit. The air box just needs to be modified a bit to allow for more air flow.

Once you've got everything done, you really don't need to change/modify anything in the tune, but if you get tuning and THEN start adding things like DPF delete, EGR delete, exhaust, turbo swaps, injectors, etc etc, you'll need the tuning calibrated by your tuner.

And there's where the AutoCal falls short, you need to have your tuner calibrate for ANYTHING! Even tire size changes...and, once you buy an AutoCal it's only good for tuning from the guy you bought it from. If you're planning on trying tuning from multiple sources, your best bet is going to be to just buy an EFI-Live V2 tuning suite from the get go, it's about 2x the cost upfront but it's much more versatile and will allow you to adjust for tires on your own and accept and load tunes from anyone.

The cool thing tho, you can change tunes on the fly by flipping the switch at any time! Just be careful and smart about doing it, you don't want to go from your heavy tow 50hp tune to your 150hp tune under WOT or even at a light if you decide to race someone...

PPE makes a programmer that is EFI-Live based that can handle tire and gear changes tho if you're concerned about that, it's called the Hot programmer.

Like I suggested earlier, use the search function on the forum select the "advanced search" button it works better, read a bunch and inform yourself before you start buying stuff, before ya know it, you'll be writing post like this to a new guy
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Last edited by Hot COCOAL; 10-17-2014 at 12:40 AM. Reason: Lots of spelling errors, lol
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  #23  
Old 10-17-2014, 12:43 AM
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Cheese and rice Jason wtf.
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  #24  
Old 10-17-2014, 12:47 AM
Hot COCOAL Hot COCOAL is offline
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Originally Posted by Burn Down View Post
Cheese and rice Jason wtf.
I was even saying WTF to myself on that one...
I can't help it, my brain starts going and I can't stop it until everything is out


I'm in one of those moods tonight, I should probably just log off



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  #25  
Old 10-17-2014, 03:03 AM
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Quote:
Originally Posted by Hot COCOAL View Post
I was even saying WTF to myself on that one...
I can't help it, my brain starts going and I can't stop it until everything is out


I'm in one of those moods tonight, I should probably just log off



Got to give you credit, I've seen others with no paragraphs and that can be a B***H to read and understand........
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  #26  
Old 10-17-2014, 03:11 AM
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What year dmax does the OP have? If its an 06 or newer he doesn't need an intake until he installs a bigger charger. The factory intake has been proven to be the best intake for 500HP and under.
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  #27  
Old 10-17-2014, 04:13 AM
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Quote:
Originally Posted by LWATSON View Post
What year dmax does the OP have? If its an 06 or newer he doesn't need an intake until he installs a bigger charger. The factory intake has been proven to be the best intake for 500HP and under.
This x2^

If you really are towing that much weight, you will not be able to run much hotter of a tune, if at all. I have only revised the timing tables on my LBZ, so basically stock tune and it runs plenty warm on the pyro for me @ 25000gvw. It actually is really comfortable, I really don't even to need to watch the pyro unless on a long grade. Which is the way I would want it if towing frequently.
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  #28  
Old 10-17-2014, 04:40 AM
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Almost 60,000 miles on current lmm i still haven't instaled boost pyro or oil temp guages.
A good tow tune from any of the rep tuners you don't need guages, they are that good

You mentioned running 26k and above.. I managed to cook thus cracked a piston in my first truck due to oil temps running above 250* for sustained periods. At less than 360hp..Highly recommend making/installing an aux oil cooler. Look at spending $6-800 in parts. Hauling high wind drag loads on a hot day killed mine.
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  #29  
Old 11-15-2014, 07:47 PM
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I installed efi live 2004.5 3500 dually 6.6, truck runs awesome but now my mechanic says I need a tranny rebuild as not to end up stranded,,, we haul a 16k 5th wheel toyhauler,,,, any comments?
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  #30  
Old 11-15-2014, 07:56 PM
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How big of a tune did you run? Whos tune was it? Why were towing heavy with a big tune?

Efi is just a tuning tool, you dont "install" efi live. You install a tune built by yourself or someone else.

If you were runnin a big tune 125 or larger then yeah shouldnt have towed heavy. I would bet your egt was up there also, do uou have gauges? Did you ever watch your trans temps?

Your tuner should not have given you a hot tune if you were gonna be pullin heavy with a stock trans.

What makes your mechanic think your truck needs the tranny rebuilt? Have you limped it? How many times alhas it limped? Did your mechanic drop the pan and see clutch laying in the pan? Did he cut open your spin on a d see if it had material in it?

Thats alot of questions but they have to be answered before i "comment". My coment for now you ran too big of a tune and you are lucky its just the trans... Maybe...
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Last edited by Big Block 88; 11-15-2014 at 09:18 PM.
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