How much HP can an LBZ engine make?
While the danger zone for an LBZ engine begins in the low 600s to 650 hp, we’ve seen our fair share of stock bottom end trucks making 700, and sometimes a little more.
Why choose the Duramax LBZ/LMM?
This is ideal, being that one of the major weak points in the factory LBZ/LMM piston is thought to be its lack of material in the wrist pin area due to the use of wrist pin bushings. With the same rods and pistons as what you’ll find in the LBZ, the LMM Duramax possesses the same weak link as the ’06-’07 trucks do: the cast-aluminum pistons.
Why did GM stop making LBZ engines?
First, poor quality control of the casting process is said to have existed when GM switched to a Korean piston foundry prior to the LBZ engine’s production. It’s been said that inconsistencies were present in the metallurgy of the piston casting, making them prone to cracking.
How much horsepower does a GMC Sierra LBZ have?
Thanks to these OEM changes, the aftermarket was able to get away with pushing the LBZ and LMM powered trucks to the 650 hp (1,200 to 1,300 lb-ft.) realm before encountering piston failures. After this ’07 GMC began to smoke, idle rough (like it was missing), and produce excessive crankcase pressure, the owner new he’d smoked a piston.
How much boost can a stock LBZ turbo handle?
stock is under 30, with a tuner the stock turbo can peg a 30 psi guage.
How much HP can a stock LBZ turbo handle?
Registered. You can get in the 650 to 700HP range but will need oversize injectors and some good dyno tuning with EFILive, and probably some other items like boost tubes and intercooler and maybe second CP3 pump.
How much boost does an LBZ Duramax make?
Registered. I have a 06 CCSB LBZ got exhaust and intake on it with the edge evo cts and after checking the records on the truck it only makes 19 lbs of boost.
How much horsepower can you get out of a LBZ Duramax?
The added mass in the lower portion of the beam (where rods tend to bend) makes them more ideal for handling torque. Thanks to these OEM changes, the aftermarket was able to get away with pushing the LBZ and LMM powered trucks to the 650 hp (1,200 to 1,300 lb-ft.)
How do you get more boost on LBZ?
There is a couple things you can do. Some programmers "command" more boost, you can add a boost stick, or add a bigger turbo. I think the general rule for the stock turbo is aroud 30ish psi max. If you start trying to add more than that you can run into problems.
Why is LBZ so good?
The LBZ employed a thicker engine block casting, meatier connecting rods, and a higher pressure common-rail fuel system. This gave it more power and reliability versus any other Duramax to that point.
How much boost can a Duramax take?
32-34psi would be the max i would shoot for otherwise you run the risk of nuking it. The PPE boost module should allow you to get a few more pounds. There is also another boost increaser made by kennedy diesel but it is preset to around 34psi IIRC.
How much boost should a Duramax have?
The max boost you can make with a stock LLY hairdryer and still be efficent/useful is around 32-34 PSI.
How much boost is alot?
If you have a stock engine, with a compressor that is factory set to produce no more than twenty pounds of boost, you shouldn't modify the system to make it produce much more than 25 pounds of boost. And increase of 5 pounds over stock is probably the limit you should go by.
How much HP can a Allison 1000 handle?
Allison 1000, Six-Speed ('07.5-'10) By the time the LMM-powered GMs hit the market, aftermarket tuning of the TCM had progressed enough to where the Allison could withstand 430 to 450-rwhp for extended periods of time—and 500-rwhp on occasion.
How much HP can a stock 6.6 Duramax handle?
Factory 6.6L Duramax engines will make 300 to 397 flywheel horsepower depending on the model. Virtually any model can be bumped up to around 600 hp (about 480 rwhp) with simple computer tuning, provided that the turbocharger and fuel system are in good working order.
How long will an LBZ 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. Throughout the course of ownership you'll probably have to replace a water pump or two and upgrade your transmission lines.