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Duramax LBZ 100hp tune

Old 06-18-2018, 08:46 AM
  #21  
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Originally Posted by ytmorris View Post


What is your level of expertise? I have had 3 Allison 1000's, all with tunes, and tow regularly. Anything from 4000-12000 is common on a weekly basis. I dont drive like a moron while towing though. I have a switch on my current truck but never did before and never had an issue.

Not saying you are wrong but most people in the know agree that the Allison will take around 600 HP with no problem. You start creeping over that, and you will likely have a problem but then again you are getting into lift pump territory along with a host of other things.
it all depends on what your tune mapping was on the trucks you had with out the switch and who built the actual tunes. as anything there are good tune builders and people who attempt. if you didnt have some sort of controller, you just had a straight tune, not EFI live.
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Old 06-18-2018, 09:47 AM
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Originally Posted by Rolandt03 View Post
it all depends on what your tune mapping was on the trucks you had with out the switch and who built the actual tunes. as anything there are good tune builders and people who attempt. if you didnt have some sort of controller, you just had a straight tune, not EFI live.

There were modest tunes on my last two trucks. I think my LBZ had a Hypertech, My 2011 LML had a H&S XRT Pro, and my 2016 has EZlink with a DGP tuning and a DSP5 switch.
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Old 06-18-2018, 10:02 AM
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Originally Posted by ytmorris View Post
There were modest tunes on my last two trucks. I think my LBZ had a Hypertech, My 2011 LML had a H&S XRT Pro, and my 2016 has EZlink with a DGP tuning and a DSP5 switch.
You're not make anywhere near 600whp with a hypertech or H&S.
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Old 06-18-2018, 10:37 AM
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Originally Posted by joshd472 View Post
You're not make anywhere near 600whp with a hypertech or H&S.

Agreed, never said I was. I was running 120 ish tunes on a factory 360 hp motor, I wasn't even hitting 500 at the motor, much less the wheels. Point is, the LBZ and Allison will handle a 100hp tune all day with no trouble.

The tuning I have now is different and I have not bothered cranking it all the way up.
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Old 06-18-2018, 10:43 AM
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with those tunes out of a can, you really dont know how much added power you really did get. you could have set it on a 120 tune but in reality could have been making only 75. most of your EFI live tunes, the tunes are built then the truck dyno'ed for a real world HP at the wheels.
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Old 06-18-2018, 04:45 PM
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Originally Posted by joshd472 View Post
Wrong. This misinformation guys post on here drives me crazy. OP if you tow with the tune you will fry the converter, it's just a matter of time. Do like the others said get DSP5 switch.
well, my tuned 2006 tows heavy equipment almost daily and it has 190,000 on it with zero problems. Probaly had 10-15 lbs behind it for 140,000 of Hose miles. I stand by my statement
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Old 06-19-2018, 02:08 AM
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I put over 200000 miles on my 06 2500 LBZ 6.6/Allison with a 100+ how tune. Towed a 21ft Key West and a 22ft goose neck horse trailer almost weekly. I never had an issue. I gave the truck to my son and he's added another 100k miles with no issues. Neither of us drive hard so I'm sure that makes a difference.
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Old 06-19-2018, 05:07 AM
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Originally Posted by twobyfour View Post

well, my tuned 2006 tows heavy equipment almost daily and it has 190,000 on it with zero problems. Probaly had 10-15 lbs behind it for 140,000 of Hose miles. I stand by my statement
some are lucky and some burn them up. alot of it depends on the tune and how its built, some are built for economy, ( my efi econo tune is actually 75hp tune ) but my towing tunes are less. some are built for top end some are built for low end and some for mid range. it all depends on the tune. my tuner gave strick instructions that if i turn mine all the way up and tow, i will be buying a tranny and possibly some motor issues. he also will not give me a tune for 600hp until i provide a reciept for a built tranny.

i think what josh is saying is that if you go with the dsp5 switch your chances of tranny survival is greatly improved due to the fact you can adjust the tune for what your needs are for that day.
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Old 06-19-2018, 03:35 PM
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Ran my 06 Dmax to over 200k with a 100hp tune.
DSP5 will kill a stock Allison if you keep switching the tunes around. Also the LBZ models don't like to go WOT in 5th &6 the with a tune the tranny will burn up.
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Old 06-19-2018, 04:43 PM
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Man guys thanks for all the replies.

Alright so here's the deal.. Y'all have for sure convinced me to get a programmer or switch. Only thing is, I need to find out if the tune they installed can use a DS5P switch.

On the other hand, I'd honestly prefer a programmer i can plug into the DLC. what is a good reasonable programmer i can get to plug in and switch my truck back to stock for when im towing?
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Old 06-20-2018, 05:12 AM
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get the cts controller but need to have an efi live tune put in it.

to save a tranny, a tranny tune in conjunction with the efi tune is a big help!
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Old 06-20-2018, 07:46 AM
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I have a 2008 Sierra 2500HD, I have run a PPE programmer on Level 2 since truck was new. Truck now has 316,000+ miles on it.
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Old 06-20-2018, 08:42 AM
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Originally Posted by Manoverboard123 View Post
Man guys thanks for all the replies.

Alright so here's the deal.. Y'all have for sure convinced me to get a programmer or switch. Only thing is, I need to find out if the tune they installed can use a DS5P switch.

On the other hand, I'd honestly prefer a programmer i can plug into the DLC. what is a good reasonable programmer i can get to plug in and switch my truck back to stock for when im towing?
I saw you asked this question on Duramax Diesel forum. You got your answer. Those guys live, eat, sleep, and shit duramax. They know what they are talking about. Here's the thing you can have a 100+hp tune and make an Allison live, but you it all depends on the tune. You have to make all the power up to top and tune out the low end torque to make the trans live and even then it will still eventually eat the converter. You also have to have a good bit of defuel on shifts built into your tunes to live at those power levels. You definitely can't tow heavy with much more than 50 hp on a stock engine and trans.

You say you had a new turbo put in? Stock? That matters. When they did your egr delete they flashed in the new tune to keep the truck from throwing codes. Why they put in the PPEI 100hp tune I don't know. They shouldn't have.

For your needs I would get a DSP3 switch with a edge CTS2 as a gauge to monitor everything. Find a good tuner that knows his shit (DD forum is where I would ask or use the search function over there). Tell him you want 3 tunes.
1. improved stock/economy (60ish hp)
2. heavy tow with good exhaust brake (40ish hp)
3. a fun trans safe tune for when you want to stick your foot in it. (100ish hp)

Do this and I think you will be very happy.

Another user mentioned switching tunes all the time will also make the trans act funny. It will, these trans learn torque readings and driving habits. When you're constantly switching the tunes it makes them act wonky. I also wouldn't fool with trans tuning. It only has benefits when in very high HP numbers and racing.

The Allison was built as a HD trans designed to pull heavy loads at certain power levels. It works amazing at that but once you add power it needs some modifications to make it happy. When I bought my truck it had the old crazy Larry BullyDog tune in it. Guess what my trans took a shit pretty quick. I rebuilt it. My buddy has a dmax and leaves his DSP5 on 5 with is 150 hp from PPEI. He's constantly limping his trans. He's already called me to help him rebuild it with parts from Evan a limitless.

Yeah I come across a dick but I get aggravated when I see people tell someone they'll be fine at power levels on a stock trans when they won't. These trans are $$$$ to rebuild and if you don't have the experience or knowledge don't talk out of your ass and tell someone their trans will handle the power when it won't. Hope this helps you with your decision.
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Old 06-21-2018, 05:13 AM
  #34  
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Originally Posted by joshd472 View Post
I saw you asked this question on Duramax Diesel forum. You got your answer. Those guys live, eat, sleep, and shit duramax. They know what they are talking about. Here's the thing you can have a 100+hp tune and make an Allison live, but you it all depends on the tune. You have to make all the power up to top and tune out the low end torque to make the trans live and even then it will still eventually eat the converter. You also have to have a good bit of defuel on shifts built into your tunes to live at those power levels. You definitely can't tow heavy with much more than 50 hp on a stock engine and trans.

You say you had a new turbo put in? Stock? That matters. When they did your egr delete they flashed in the new tune to keep the truck from throwing codes. Why they put in the PPEI 100hp tune I don't know. They shouldn't have.

For your needs I would get a DSP3 switch with a edge CTS2 as a gauge to monitor everything. Find a good tuner that knows his shit (DD forum is where I would ask or use the search function over there). Tell him you want 3 tunes.
1. improved stock/economy (60ish hp)
2. heavy tow with good exhaust brake (40ish hp)
3. a fun trans safe tune for when you want to stick your foot in it. (100ish hp)

Do this and I think you will be very happy.

Another user mentioned switching tunes all the time will also make the trans act funny. It will, these trans learn torque readings and driving habits. When you're constantly switching the tunes it makes them act wonky. I also wouldn't fool with trans tuning. It only has benefits when in very high HP numbers and racing.

The Allison was built as a HD trans designed to pull heavy loads at certain power levels. It works amazing at that but once you add power it needs some modifications to make it happy. When I bought my truck it had the old crazy Larry BullyDog tune in it. Guess what my trans took a shit pretty quick. I rebuilt it. My buddy has a dmax and leaves his DSP5 on 5 with is 150 hp from PPEI. He's constantly limping his trans. He's already called me to help him rebuild it with parts from Evan a limitless.

Yeah I come across a dick but I get aggravated when I see people tell someone they'll be fine at power levels on a stock trans when they won't. These trans are $$$$ to rebuild and if you don't have the experience or knowledge don't talk out of your ass and tell someone their trans will handle the power when it won't. Hope this helps you with your decision.

why not skip the dsp switch and just use the cts to select the level of tune?
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Old 06-21-2018, 06:13 AM
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Originally Posted by Rolandt03 View Post
why not skip the dsp switch and just use the cts to select the level of tune?
Bc I'm a dummy. I've never had a CTS I didn't realize they could do that.
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Old 06-21-2018, 06:17 AM
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Originally Posted by joshd472 View Post
Bc I'm a dummy. I've never had a CTS I didn't realize they could do that.
yes i have efi live and control everything through the cts 2
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Old 06-21-2018, 11:40 AM
  #37  
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My 07 LBZ ate its Allison at 95k miles with only a 90hp tow performance tune. It's luck of the draw honestly. I would highly advise having money set aside for a built transmission just in case.
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Old 06-21-2018, 11:51 AM
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Originally Posted by h20addict View Post
My 07 LBZ ate its Allison at 95k miles with only a 90hp tow performance tune. It's luck of the draw honestly. I would highly advise having money set aside for a built transmission just in case.
not all tunes are created equal. a large portion of the tranny life depends on how good the tunes are. tunes from a reputable installer is the way to go
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Old 06-21-2018, 12:07 PM
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Originally Posted by Rolandt03 View Post
yes i have efi live and control everything through the cts 2


if the original poster has a LBZ a CTS can not adjust the tunes. The LB7 I believe is the only one able to switch tunes using a CTS. Call Kory Willis and he will get you everything u need. Ive been running his tunes since 2010-2011 and no issues on my LBZ. Only a 103k miles but runs strong. It’s a truck not a race car. You beat on with a programmer you will be spending 5-6k on a tranny.
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Old 06-21-2018, 01:54 PM
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Originally Posted by Buttapollock1010 View Post
if the original poster has a LBZ a CTS can not adjust the tunes. The LB7 I believe is the only one able to switch tunes using a CTS. Call Kory Willis and he will get you everything u need. Ive been running his tunes since 2010-2011 and no issues on my LBZ. Only a 103k miles but runs strong. It’s a truck not a race car. You beat on with a programmer you will be spending 5-6k on a tranny.

i thought there were some recent up dates on the cts controlling the lbz? i have a freind that is doing it on his, which i think is an lmm not sure would have to varify. i have it on my lb7.
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