Some engines are more popular than others. For example, the pre-emissions Duramax engines made between 2001 and 2007 are highly sought-after for superior reliability. On the other hand, the more modern engines add more horsepower, torque, and upgrade capability with Duramax performance parts.
What are the models of Duramax?
Duramax engines have been produced globally since 2001, and include:
- 6.6L V-8 LB7.
- 6.6L V-8 LLY.
- 6.6L V-8 LBZ.
- 6.6L V-8 LMM.
- 6.6L V-8 LGH.
- 6.6L V-8 LML.
- 6.6L V-8 L5P.
- 2.8L I-4 XLD28.
How many versions of the Duramax are there?
Over the engine’s lifespan it has gone through 6 different engine variations: LB7, LLY, LBZ, LMM, LML, and L5P. From the first generation to the one currently in production today, the 6.6L Duramax has nearly double its horsepower and torque, from 235hp and 500lb-ft.
What years did Duramax have problems?
LML: 2011 – 2016
The power was increased for this year to almost 400 horsepower and 765 pound-feet of torque. To get this type of power without compromising emissions, GM had to increase the fuel system pressure. Unfortunately, this led to the injection pump becoming a ticking time bomb.
What year Duramax is best? – Related Questions
What’s the most reliable diesel truck?
Most Reliable Diesel Pickups of All Time
|
Model |
Engine |
| Ford |
F-250/F-350 |
7.3-Liter Power Stroke V-8 |
| Chevy/GMC |
Silverado/Sierra |
6.6-Liter Duramax LB7 V-8 |
| Chevy/GMC |
Silverado/Sierra |
6.6-Liter Duramax LBZ V-8 |
| Dodge Ram |
2500/3500 |
5.9-Liter, 12-Valve Cummins I-6 |
1 more row
Is a Duramax better than a Cummins?
Cummins Vs.
The Duramax leads with horsepower, but the Cummins is the king of torque with numbers up to 1,000 ft-lbs depending on the truck.
What year Duramax has head gasket problems?
These are both relatively common problems you might expect to deal with on the 2001-2004 LB7 Duramax, but you can rest a bit easier knowing the aftermarket has had a decade to develop and perfect the parts you need to correct it.
What year did Duramax have injector Problems?
What year Duramax has injector problems? The LB7 Duramax built from 2001 – 2004.5 is known for injector failure. The good news is the replacement injectors you purchase from us incorporate several updates to help prevent repeat failures.
How many miles will a 6.6 Duramax last?
A poorly-maintained engine can quickly fall into disrepair before it even reaches the 100,000-mile mark while a well-maintained Duramax pickup truck should last 400,000 or even 500,000 miles.
What is the life expectancy of a Duramax?
Overall, a properly cared-for Duramax engine should last over 300,000 miles. However, consumers report having Duramax’s lasting in the 500,000-mile range! Nonetheless, proper maintenance is a must to increase the life expectancy of your engine.
What problems do Duramax have?
Some things to watch out for include problem starting, excessive smoke, lower gear selection, poor fuel economy, a loss of engine power, lower RPMs, and excessive noise. While several possible fuel system problems exist, the 6.6L Duramax consistently has two.
How long should you let a Duramax warm up?
As a general rule of thumb, if it is below zero degrees Fahrenheit, you should allow your engine up to seven minutes to warm up. If the temperature is between zero and fifty degrees, the warm-up period should be three to five minutes. Over fifty degrees will only require one or two minutes to warm up.
How long can a Duramax go without an oil change?
To keep your Warranty from voiding, you will need to follow your vehicle’s manufacturer recommendations, change your vehicle’s oil before 7500 miles, or at least once a year, whichever occurs first. My manufacturer recommends changing the oil between 5,000-7,000 miles.
How many miles per gallon does a 6.6 Duramax diesel get?
This Duramax 6.6-liter V-8 gets 17 to 19 mpg on the highway.
Should you use synthetic oil in a Duramax diesel?
DuraMAX Motor Oils are completely compatible with mineral or other synthetic oils. DuraMAX Full Synthetic Motor Oil uses Advanced Detergent Additive System blended with Synthetic base oils to deliver the following benefits: Advanced wear, varnish and sludge protection. Superior protection against thermal breakdown.
How often should you change filter on Allison Transmission?
Transmissions equipped with Allison highcapacity filters do not require an initial main filter change at 5000 miles/8000 km/200 hours.
Should I flush my Allison transmission?
Only flushing the fluid will rid the system of all the old transmission fluid and debris that is caught up in the transmission. Your Allison Transmission will be able to get any job done for many miles by flushing and changing the fluid on a regular basis.