The 6.6-liter LMM Duramax V8 diesel engine was introduced midway through the 2007 model year, when it replaced the 6.6 liter LBZ Duramax variant. As such, it powered Chevrolet Silverado Heavy ...

and lead to potential turbo problems. Thus, owners consider the LMM a less reliable engine than other Duramaxes. Despite that ...

2007 – Along with the new GMT-900 pickup platform for ’08, the LMM Duramax engine was introduced ... ninth injector mounted downstream from the turbo to help DPF regeneration, a new EGR ...

The new Duramax keeps the same Garrett-supplied single turbo setup of the LMM Duramax, though the compressor and turbine wheel diameters and blade trims have changed. The turbo also uses the same ...

Like the LMM, the LML Duramax is expected to stay with a single variable vane turbo, but the wastegate plumbing for its exhaust appears to have changed considerably compared with the older engine.

GM replaced the engine with the latest L5P Duramax turbo-diesel engine last year ... with engine codes LB7, LLY, LBZ and LMM. At present, only the LML- and LGH-code engines are available, and ...

LBZ, LMM, and LML are three different incarnations ... On a customer-supplied vehicle, the conversion to Duramax turbo diesel power is priced from $27,500.

Transmission, 4-speed automatic, heavy-duty, electronically controlled with overdrive, tow/haul mode and internal transmission oil cooler (Not available with (LMM) Duramax 6.6L Turbo Diesel V8 ...