the stock LB7 turbo providing it with the right upgrades such as built tranns etc will get roughly 520 with 530RWHP max..anything over that on a stock turbo will result in blown pistons due to the high EGTs but if you want to could spray another 50HP.
Full Answer
How much horsepower can an LB7 hold?
For the LB7, that number is somewhere around 550 to 600 horsepower at the wheels. Some can hold more, and some have failed with less, but that’s a good ballpark. Once you get much beyond the threshold, pistons can start to crack from the cylinder pressure, head gaskets can start to fail, and connecting rods can eventually bend.
What are some of the problems with the GM LB7?
The one issue the LB7 is best (or worst) known for are the fuel injectors. There are several causes of the failures, and the issues were so common, GM covered the injectors with a special extended warranty for 200,000 miles or 7 years after the vehicle was placed in service.
Is the LB7 a good pickup truck to build?
From a high-performance aspect, the LB7 is also a great candidate for a build, and the best part is, you likely got such a good deal on the truck when you bought it, you’ll have some money left for fun parts to make the truck go faster.
What kind of engine does a Duramax LB7 have?
The joint venture (and resulting engine) was known as Duramax, and the LB7 was the first of many models to come. It’s a 6.6-liter, common-rail injected, 32-valve, V8 turbodiesel which put out 235hp and 500 pounds of torque in its first year, and for the final year of ‘04 the LB7’s output had grown to 300hp and 520 pounds of torque.
How much horsepower can a stock LB7 injectors handle?
Registered. 550 to 600 depending how healthy the rest of your fuel system is.
How much power can a stock LB7 hold?
Registered. Much more than 500RWHP and you are rolling the dice is what I was told. Some hold 600 on stock internals, and some have gone on a 50HP tune.
How many HP is 30 over injectors?
30% Overs are a nice performance upgrade to increase your horsepower. This 30% Over injector equates to approximately 50 HP. When tuned properly, this will help your fuel economy and throttle response with clean smoke.
How much HP can injectors handle?
Flow Rate Definition, Calculating Horsepower RangeInjector Flow RateNaturally Aspirated EngineEngine w/ Power Adder24 lbs./hr.280-360 hp240-300 hp30 lbs./hr.350-450 hp300-375 hp36 lbs./hr.425-540 hp350-450 hp42 lbs./hr.500-625 hp410-525 hp4 more rows•May 27, 2017
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 2.8 Duramax handle?
ENGINE DIFFERENCES: 2.5L I4. 3.6L V6, GM-EXCLUSIVE DURAMAX 2.8L TURBO-DIESELEngine2.5L I42.8L Duramax® Turbo-DieselHorsepower200 HP181 HPTorque191 lb.-ft.369 lb.-ft.MPG20 city/26 highway30 highwayPayload Capacity1,710 lbs.1,506 lbs.1 more row
How much HP is 60 over injectors?
60% Over Displacement. 180 Horsepower Increase. Enough Fueling to Support 975 Rear Wheel Horsepower.
What does 45% over injectors mean?
Description. 45% Overs are for the individuals who want to go one step further with their truck. With the proper tuning, this will give your truck greater power. The 45% Over Injector equates to approximently 90+HP. It also opens up more options for upgrading your vehicle.
What do 100 over injectors do?
Exergy 70-100% Over Injectors: Injectors with a 70-100% increase are great for those running larger single turbo or compound turbocharger applications. Generally used in drag racing or sled pulling applications but can be streetable with proper tuning.
How much HP will 120lb injectors support?
1900 horsepowerRated injector flow: 120 lb/hr @ 43 PSI. Supports up to 1900 horsepower.
How many cc are 80lb injectors?
Fuel Injectors | Siemens Deka | 80 lb/hr | 875 cc/min | High Impedance | EV1 | 8 Cyl.
Can you have too big of injectors?
Bigger is not always better It's easy to fall into the trap of thinking that bigger fuel injectors equal more power, but unless your engine is set up to deal with the extra fuel, you'll be on a fast track to trouble. The excess fuel will flood the engine and it either won't run at all, or will be running too rich.