The Duramax engine should last up to 300,000 miles before needing major repairs if you are wondering how long it will last. The number of miles an engine can run depends on how well it was maintained and driven over its lifetime.
How much HP can a stock LMM handle?
A Dyno-Proven, 500-Plus HP
In best-case scenarios, the LMM's stock turbo, injectors and CP3 high-pressure fuel pump can support 530 to 540rwhp .
What problems do LMM Duramax have?
What are the problems that the LMM Duramax has? In short, the most common problems with LMM Duramax are low fuel pressure, crankshaft and piston failure, Allison 100 transmission issues, leaking transmission lines as well as PDF system, and active regeneration .
What does LMM Duramax mean?
The LMM Duramax refers to Chevrolet Silverado HD and GM Sierra HD trucks equipped with the 6.6L Duramax diesel engine between the years of 2007.5-2010 . It was very similar to the LBZ, but it featured an all-new emissions device, a diesel particulate filter.
Does the LMM Duramax use DEF?
The 6.6L Duramax LMM featured only a small horsepower and torque increase over its predecessor. It was available through the 2010 model year and was replaced entirely by the LML for 2011, which features an even more advanced exhaust aftertreatment system requiring the industry's [then] new diesel exhaust fluid (DEF).
Is the LMM a good engine?
Consistent to its very similar LBZ counterpart, the LMM is a highly reliable engine . The DPF is a hot-spot for failure so beware that you will probably end up with a few thousand dollars of DPF/emissions repairs, however you can *illegaly* remove this potential problem by removing the DPF system.
Is 2008 Duramax a good year?
Quick Answer: Avoid Duramax Year Models 2001-2010
The Duramax has a long history. We recommend avoiding any GM vehicle that comes equipped with the 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, and 2010 Duramax engines. In short, the newer model years show improved performance.
How long will an Allison 1000 last?
These trucks can (and do) regularly hit 200,000 miles . The truck and drivetrain will only last as long as you maintain it, though. There are parts that fail, just like anything else. But regular maintenance (fluid changes, body upkeep, hard part care) will help you have a very long relationship with your truck.
Is LMM or LML better?
LML is arguably a better engine but there are issues with DEF on all makes; Ford, Ram and GM. LMM emission controls have proved to be as reliable as any.
How much boost can a stock LMM take?
32psi max for reliability.
How much boost can a stock LMM Duramax handle?
The LMM turbo will handle right around 38 or so without issue.
What's better LMM or LBZ?
LBZ does not have DPF so no urea tank to fill. LMM does have DPF . Thats the main big difference other than the body style change. DPF kills the mileage and performace on the LMM, but you can delete the dpf which is illegal but if you know someone that will pass it for inspection you will be fine.
Does 2010 Duramax use DEF?
Now diesel drivers have to fill up (and pay for) DEF on a regular basis . The system as a whole is referred to as SCR (selective catalyst reduction). And it has completed its assignment by reducing Nitrogen Oxide (NOx) by 63 percent compared with 2010 Duramax-equipped trucks.
What Duramax engine is in a 2008?
Duramax LMM (2008-2010)
In spite of those hurdles, the LMM produces 365 hp at 3,200 rpm and 660 lb-ft at 1,600 rpm. Those numbers put it right in the hunt with contemporary Cummins and Power Stroke engines. The LMM was offered in the Chevrolet Express and GMC Savana through 2010, when they were replaced with the LGH.
How much horsepower does a LMM Duramax have?
| Type 6.6L V-8 Turbo-Diesel | Bore x Stroke 4.055 in. / 103 mm x 3.897 in. / 99 mm | Fuel System Direct injection with high-pressure common rail w/ Bosch CP3 pump |
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How much coolant does a LMM Duramax hold?
Slowly fill the cooling system with a 50/50 coolant mixture. Capacity is about 24 qts , (6 gal.)
What size turbo is on a LMM Duramax?
Registered. 61. xx its very close to 62mm.
Will a LML turbo fit a LMM?
No. Mounting/clearance is a little different . Also you would need to use a LML downpipe since the LML charger has a 45* exit on the exhaust/turbine side.
What should I look for on a LMM Duramax?
Balance rates, if good, tell a lot about a diesel engine. To get good balance rates you need good compression, good injectors, good wiring, proper tuning and a clean fuel system . If the balance rates are good then it is less likely that any other engine systems will be problematic but it isn't all there is.
How much oil does a LMM Duramax hold?
The Duramax LMM engine has a maximum engine oil capacity of 9.2 quarts without the filter being replaced. With a new filter, the capacity increases to 10 quarts.
What is normal oil pressure for LMM Duramax?
LMM – Low oil pressure – 22-30 PSI at idle, cruising, and WOT | Chevy and GMC Duramax Diesel Forum.
Is the L5P reliable?
The L5P is considered the most reliable post-emissions Duramax made to date . With the removal of the CP4. 2 fuel injection pump and various improvements made to the block, pistons, and other internals, the engine itself is extremely capable and reliable.
What year is the LMM Duramax?
| Engine RPO Code Year In Production Fuel | LLY/LBZ 2006 – 2007 Diesel | LMM 2007 – 2010 Diesel | LGH 2010 – 2017 Diesel | LML 2011 – 2016 Diesel |
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How long will a 6.6 Duramax last?
The DuramaxTM 6.6L V8 Turbo Diesel Engine is sold with a warranty of 100,000 miles/160,000 kilometers. The DuramaxTM has been tested to survive upwards of 200,000 miles/320,000 kilometers . The DuramaxTM powertrain is designed for reliability, peak horsepower and torque within its design limits.
