With these modifications taken care of, the real performance-limiting factor with the LB7 Duramax is the factory IHI turbocharger. While the stock turbocharger can support up to 530 horsepower relatively safely, EGTs can get quite hot, and the stock compressor wheel will start pushing past its efficiency range.

What size turbo is on a LB7 Duramax?

60mm
Stock Turbo, 1,200 HP! Along with the engine, the factory 60mm IHI turbocharger is still aboard Buddy’s LB7.

What turbo comes on a LB7 Duramax?

With these modifications taken care of, the real performance-limiting factor with the LB7 Duramax is the factory IHI turbocharger. While the stock turbocharger can support up to 530 horsepower relatively safely, EGTs can get quite hot, and the stock compressor wheel will start pushing past its efficiency range.

How much HP can a LB7 Duramax handle?

Max “reliable” HP I would go is 400rwhp. Anything from stock is a risk of breaking somthing. Ive seen rods bend before headgaskets blow. Generally, rods are good to 500-550, IMO, pretty much anything over 500 is taking a risk of bending.

Can you put a LBZ turbo on a LB7?

you cant do it.

How much boost does a stock LB7 make?

32 psi is the max on an LB7 turbo.

How long does it take to change a LB7 turbo?

Registered. According to Alldata, the job should take 10.2 hours which is inclusive of the R&R of the transmission. The full cost of a turbo (PN 12639460) is $2060.

Will a lly turbo work on a LB7?

The LB7 ECM has no way to control the LLY turbo.

Is the LB7 turbocharged?

The LB7 Duramax diesel is a direct-injected, turbocharged, intercooled, four-valve-per-cylinder V-8 that produces 300 hp and 560 lb-ft of torque.

How can I make my LB7 faster?

  1. LB7 Duramax Tuning.
  2. Cold Air Intakes.
  3. Exhaust Systems.
  4. Lift Pump Systems.
  5. Intercoolers.
  6. LB7 Cooling System Upgrades.
  7. Upgrade Your LB7 Duramax Head Gaskets.
  8. LB7 Duramax Injectors.

How much boost does a stock LB7 Duramax make?

Does a LB7 Duramax have a turbo silencer ring?

Doesnt have a silencer ring. Get a metal tube intake if you want lots of turbo whistle/noise.

How to get 500hp out of your LB7 Duramax?

well LB7’s have injector failures, but there isnt anything that can prevent it I dont think. You could put new head gaskets and ARP head studs in while you have it apart for precautionary purposes. I can garuntee that you will be 500hp exactly just depends on tuning and how hard you want to push it

What kind of Turbo is on a Duramax?

LB7: 2001-2004. The LB7 is the original production 6.6L Duramax V8.

  • LLY: 2004.5-2006. With the Garrett GT3788VA,the LLY Duramax has the largest turbocharger in it out of any other 6.6L Duramax variation.
  • LBZ: 2006-2007.
  • LMM: 2007.5-2010.
  • LML: 2011-2016.
  • L5P: 2017 to Present.
  • How to check bad LB7 Duramax fuel injectors?

    Bosch Automotive LB7 Genuine Replacement Injector. Get this fuel injector replaced for 2001-2004.5 Duramax.

  • Dieselogic’s DURAMAX LB7 6.6L DIESEL INJECTOR. This product is specified for CHEVY+GMC DURAMAX (2001-2004) 6.6L diesel engine.
  • Reman Auto Electronics GM 6.6L Duramax (LB7) Fuel Injector.
  • XI CAI JIE Remanufactured Genuine Replacement Injector.
  • How to replace LB7 injectors?

    Replace the injector’s old nozzle and the cap with new ones. When you’re done, take the different parts and re-assemble the injector. Tighten the injector cap with a wrench. You may use the photos of the LB7 Duramax injector components as a guide to avoiding any errors upon re-assembly.