How much boost can a stock LB7 Turbo make?
Registered. yes. 32 psi is the max on an LB7 turbo.
What size is stock turbo on LB7?
60mm
The original 60mm 10-blade compressor wheel that comes in the stock LB7 turbocharger is sufficient in a stock application and will support up to 530 rwhp with the right supporting mods, but its design really limits flow as engine RPMs increase.
How much HP can a stock Allison 1000 handle?
As you’ve probably deduced up to this point, the stock Allison will handle roughly 350 to 400-rwhp in five-speed form and 425 to 450-rwhp in six-speed trim. However, if you push things past that point the clutches will eventually slip and bring on the Allison’s notorious “limp mode” condition (i.e. limp home mode).
How often should I change oil in my LB7?
Change your LLY’s engine oil and filter at least once every 6 months and your fuel filters once a year. Keep an eye on your air filter and change it as needed. If you’re in very dusty areas you will likely need to change it sooner.
How do I adjust my LB7 wastegate?
If you would like to adjust the wastegate, loosen the jam nut and slide the rod end off of the wastegate lever shaft. Turn the rod end in or out depending on how you want to adjust the boost pressure. For more boost pressure, shorten the wastegate rod. For less boost pressure, lengthen the wastegate rod.
Does a Duramax have a turbo silencer ring?
Doesnt have a silencer ring. Get a metal tube intake if you want lots of turbo whistle/noise.
Can I put a lly Turbo on a LB7?
The LB7 ECM has no way to control the LLY turbo.
How long does a Duramax turbo last?
GM has given the engine a 95% rating at 200,000 miles. This means that GM predicts that 95% of all engines will not reach 200,000 service hours based on durability and wear. If you want to know how long a Duramax engine will run, you should expect it to last as much as 300,000 miles before needing any major repairs.
Are lblb7 Duramax performance upgrades worth it?
LB7 Duramax performance upgrades not only give you more horsepower, and torque, but they can also increase durability, and fuel economy! Before buying any performance products, consider what you’re going to use your truck for. Then base your purchasing decision on that.
Can you upgrade the turbo on a Duramax?
Other LB7 Duramax Turbo Upgrades. You don’t have to replace the entire turbocharger if you’re only seeking moderate gains in performance. By upgrading components on your factory turbocharger, you can improve performance for relatively cheap. A new turbo wheel, or a boost increase valve can do wonders at a very economical price.
Do I need to balance the turbocharger after installation?
Turbo balancing after installation is not necessary. The Dorman 667-003 Turbocharger Cartridge is a direct replacement for your 2001-2004 GM 6.6L Duramax LB7.
How much horsepower does a Ford LB7 have?
In the last year the it was offered, stock performance was increased to 300 horsepower and 520 lb-ft of torque. That didn’t stop diesel performance companies from coming up with creative way to improve the LB7 even more though.