How many miles is a Duramax LMM good for?

How many miles is a Duramax LMM good for?

Find out who’s tune it is. LMM life expectancy is advertised at 300,000 miles.

What year Duramax gets best fuel mileage?

The Duramax diesel engine is predominately found in GMC trucks. It was introduced in 2001 and has gone through many updates….#1 – Chevrolet Silverado 2500HD.

How reliable is the LMM Duramax?

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.

How can I get better gas mileage on my LML Duramax?

To restore your truck’s fuel mileage, you must change the “peak efficiency” of the motor to match your driving/towing RPM speed. Increase the low-end torque rise of your motor significantly improves fuel economy because the engine now does more work with less effort.

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 does it cost to delete LML?

For a full delete, you will need exhaust ($400) tuning ($690) PCV reroute ($50) and Blocker Plate ($12) or new Y bridge and cold side ($700 or so). As mentioned a lift pump is a very good idea on these trucks especially the LML ($600).

How do you get 30 mpg on a Duramax?

General Tips for Better MPG

1. Don’t let your truck idle for long periods of time if you can help it. Idling burns a lot of fuel and your gas mileage will take a hit.
2. Don’t be heavy on the gas.
3. Watch your tire pressure.
4. Service and maintain your Duramax truck regularly.

What diesel has the best mpg?

The Winner Is: Chevy Silverado 1500 2WD! The new Chevy Silverado offers the best fuel economy for a diesel truck. It gets 33 MPG highway, 22 MPG city, and 27 MPG combined. The GMC Sierra 1500 is basically the same truck, but fuel economy figures are lower at 30 MPG highway, 23 MPG city, and 26 MPG combined.

Is the Duramax LML a good engine?

Outside of the injection pump, the LML is a reliable engine with the exception of the emissions systems. Beyond emissions systems and the injection pump, the LML is the strongest Duramax engine built to date.

How much HP can a LML handle?

In stock form it can support 520-550 RWHP with the help of a lift pump. For 600HP you simply need more pump. The Exergy Stroker Cp4 or the ATS add a pump kit can both get you to your goal.

What year Duramax was LMM?

2007
The LMM (engine code “6”) debuted part way through 2007 and ended production with the start of the 2011 calendar year and is mated to the 6-speed Allison transmission. The LMM was the only Duramax offered for model years 2007–2010.