What is the difference between LB7 and LBZ?
What is the difference between LB7 and LBZ?
The LBZ is a little quieter than the LB7. The LB7 got the best mpg of the three trucks. All three were crew cab duallys. I would take a LB7 over a 04 or 05 LLY.
Can you put a LBZ in a LB7 truck?
—For 2001-2002 LB7 conversion harness, you have to send the “ECM/TCM harness” from an LBZ. You will also have to send the LBZ ECM. You do NOT have to send the LBZ “on engine” harness (ie, the harness with the fuel injector connectors on it).
How long will a LBZ Duramax last?
With a strengthened block and good internals, the LBZ is easily capable of surpassing the 300,000 mile mark with sufficient maintenance and care.
Can you put LLY heads on LB7?
Yes some have swapped in the LLY heads and injectors to there LB7 engines and ran the LB7 ECM and FICM and just redid the harness to plug into the LLY injectors and used LLY fuel lines along with some SERIOUSLY custom EFILIVE tuning and made it work.
Does Isuzu make Duramax?
The Duramax V8 engine is a family of 6.6-liter Diesel V8 engines produced by DMAX, a joint venture between General Motors and Isuzu in Moraine, Ohio….Duramax V8 engine.
| Duramax Diesel engine | |
|---|---|
| Manufacturer | DMAX (General Motors/Isuzu) |
| Production | 2001 – present |
| Layout | |
| Configuration | 90° V8 |
What’s the compression ratio on a LBZ Duramax?
Starting with the ’06 model year GM’s, the weakest link in the bottom end of the LBZ Duramax shifted to the cast-aluminum pistons. With a lower compression ratio than the LB7 and LLY mills (16.8:1 vs. 17.5:1), the LBZ and LMM have lower peak cylinder pressure on their side.
What’s the problem with the Chevrolet Duramax LB7?
It is a 32-valve design with high-pressure common-rail direct injection and a experimental composite design cylinder head. The most problematic issue with the LB7 is injector failure. Fuel leaked and entered the crankcase, causing oil dilution.
When did the Duramax LBZ diesel engine come out?
But in mid-2004, Chevy introduced the LLY engine and although it was also popular at the time, it had several performance issues including overheating. To fix that and other problems, Chevy replaced the LLY with the Duramax LBZ which debuted in 2006 and continued to be manufactured through 2007. The 6.6-liter Duramax LBZ was a short-lived engine.
What’s the difference between the Chevy LBZ and the LMM?
The LMM specifications are nearly identical to the LBZ engine. It is a 6.6 L turbocharged engine and was introduced for the 2007.5 model year. Its output has seen a slight increase of 5 hp (4 kW) and 10 lb•ft (14 N•m) of torque over the LBZ.
