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| # | Post Title | Result Info | Date | User | Forum |
| Answer to: GM EcoTec3 or Duramax diesel opinions | 43Relevance | 3 years ago | Dad2LM2 | Submit Your Question HERE | |
| ... the cylinder deactivation. It’s causing big issues with long term reliability; if your friend wants to keep it more than a few years, don’t get the 6.2 (the smaller V8 motor has the same problems, but apparently not as severe). But the 3L duramax is a rock star. I have it in my Sierra (I have the LM2; the current LZ0 has slightly better performance numbers and fixed some of the flaws of the LM2). It has less HP than the 6.2, but the same torque, and waaaaaay better economy. Most people are getting real life numbers better than EPA ratings, close to 30 m ... | |||||
| Answer to: 5.7 c/k w high miles or a 6.6 LBZ duramax with low miles? | 33Relevance | 4 years ago | MountainManJoe | Submit Your Question HERE | |
| Definitely the reliable 5.7 The LB7 and LLY engines were known for rod weakness, but the LBZ had trouble with its cast-aluminum pistons. In higher-power applications, the pistons were very prone to cracking. LBZ duramax upgrades with larger injectors and a larger turbo caused the majority of failures. The cracks almost always occurred on the centerline of the lower wrist pin. Symptoms of a cracked piston were very obvious with exhaust smoke and a bad misfire. The LBZ stock turbo was known for occasional sticking due to the accumulation of corrosion and ca ... | |||||
| 5.7 c/k w high miles or a 6.6 LBZ duramax with low miles? | 33Relevance | 4 years ago | TCT | Submit Your Question HERE | |
| I'm caught between a rock and a hard place and with everything that's going in i want to make sure i'm making the absolute best choice, i'm stuck between spending 5/6k on a late 90s c/k with over 200k miles or spending 12.5k on an LBZ duramax with under 200k miles, I know youre a fan of the 5.7L C/Ks but i've never heard your take on the 06 LBZ duramax, what would be the best choice in this scenario for long term ownership? | |||||
| Answer to: Should I buy a diesel Colorado. | 32Relevance | 4 years ago | Dad2LM2 | Submit Your Question HERE | |
| Welcome new member! The baby duramax in the Colorado/Canyon is the one to get. It doesn’t have nearly the horsepower of the V6 gasser, but the low end grunt is astounding. I drove one last year and it really feels like a proper diesel pickup. But more than that, it comes with the 6 speed (good) transmission, rather than the (terrible) 8 speed that has had so much trouble on the gasser Colorado. It’s hard to get good owner feedback. I have only found one long-term owner. He loved it and was very happy with his decision; but that is a small sample siz ... | |||||
| GM EcoTec3 or Duramax diesel opinions | 22Relevance | 3 years ago | kbol | Submit Your Question HERE | |
| My friend is planning to buy a 2023 GMC Yukon. I suggested he look at a Toyota Sequoia but no. He is a GM man. He is planning to get the 6.2L V8 engine. I just wanted to get your opinion on the 2 available engines: the 6.2L V8 or the 3.0L duramax turbo diesel. Thanks. I appreciate any feedback. | |||||
| Duramax LB7 durability | 22Relevance | 4 years ago | Denny Reit | Submit Your Question HERE | |
| Scotty, is there a permanent fix or long term fix for the duramax LB7? other than design another new engine? 2003 GMC Sierra HD crew 4X4 SLE, Purchased the truck used, at 114K dealer replaces injectors and some glow plugs. Now have 150+K miles and engine has been condemned again. will the next rebuild last only 20K? What are your thoughts about enabling 6th gear on the Allison 1000? Thanks in advance Denny | |||||
| Answer to: L5P duramax | 22Relevance | 4 years ago | USAFdozerpilot | Submit Your Question HERE | |
| Not a fan of any duramax other than the 6.6 LBZ. You’ll have a mess of electrical issues as is a standard for GM. If you really want one I’d get a base model which will give you less features but as the saying goes… sometimes less is more. | |||||
| L5P duramax | 22Relevance | 4 years ago | Typolich | Submit Your Question HERE | |
| Hey scotty I'm Tyler Polich I am looking at getting a 2018 2500 HD Durmax silverado. I know the previous generation had some serious issues. They say that the first generations were the best duramax. But I'm needing something to pull a camper for traveling to different jobs around the country. Was wondering if you know of any serious problems with these trucks. Cause all I can find reviews on is the 2020 and 2021 models | |||||
| Answer to: Thoughts on 2022 GMC Sierra Diesel Duramax | 22Relevance | 4 years ago | MountainManJoe | Submit Your Question HERE | |
| Thoughts on 2022 GMC Sierra Diesel Duramax | 22Relevance | 4 years ago | Nismo16 | Submit Your Question HERE | |
| Hi Scotty, I know through watching your videos you are not a huge GM fan! My son is looking to buy a 2022 Sierra 1500 AT4 Diesel 3l duramax we have looked at several trucks Ford, Dodge so on he is set on the GMC What are your thoughts on that vehicle? Especially the engine? Thank You!! | |||||
| Which diesel truck? | 32Relevance | 5 years ago | Gator-17 | Submit Your Question HERE | |
| ... highway princesses out there. That said there is only so much I can accomplish with my old gasser. My question for you is what diesel 1 ton would you buy and why? A lot of what I know conflicts with my financial decisions. If I buy a duramax I will get the Allison transmission but my fuel mileage won’t be good. If I buy a new 6.7 powerstroke I take a gamble on an engine that hasn’t been around as long as the Cummins or the duramax but has a performance that is better than the duramax but not as good of torq as the Cummins. If I buy the Cummins I get an engi ... | |||||
| Answer to: RV engine guestion | 32Relevance | 5 years ago | Xtraba | Submit Your Question HERE | |
| Do you know the model of the duramax? There are a lot of them on the road, the 6.6l duramax is one of the most reliable diesel motors available today. Provided proper maintenance, it can easily hit the 350,000 mile mark, with some users claiming 400-500,000 miles is the norm. There have been a couple of models that experience some issues that can be solved by modification or knowing the root cause(s). You also get the better mileage. the Ford V10 has a stellar reputation for reliability. Assuming the engine has been well cared for throughout its life, yo ... | |||||
| Answer to: gotta 06 chevy silvarado duramax conversion. | 22Relevance | 5 years ago | Keve [BANNED] | Submit Your Question HERE | |
| @Doc I have a 2006 Silverado Chevy duramax it burns a lot of coal and it is very dark it THAt good? It has a check engine light and people say that’s because I’m handling too much power or too much boost. Is it true? | |||||
| 08 GMC Duramax Extended Cab Water Leak in Cab | 22Relevance | 5 years ago | 86Yota | Submit Your Question HERE | |
| Hey Scotty, I have a 08 GMC duramax 2500 HD Extended Cab 4x4 that I paid 5500 for. When it rains, the drivers side floor gets wet under the rubber flooring and never over it. Water comes from the rear to the front under the rubber floor. It has never been hit and it is not the heater core. Any clue other than weather striping? Thank you. | |||||
| 6.6 Duramax Diesel "sticking"/ won't accelerate while driving. | 22Relevance | 5 years ago | Jr2020 | Submit Your Question HERE | |
| Hi Scotty, I have a 2001 Chevy 3500HD 6.6 duramax Turbo Diesel single cab dump truck with 135,000 miles and an automatic transmission. It has been "sticking" a lot randomly while driving down the road, it won't let me accelerate nor reduce much speed. Doesn't not seem to be a transmission issue. But not sure what it could be. Also, when we pop the hood open there is thin white smoke that shoots out by engine fan. No black smoke or thick smoke. Please advise, no one seems to find anything. | |||||
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