Is the L83 an LS or LT?

The new direct-injected 5.3L L83 is a great LS-swap candidate that makes more power the its LS cousin, and competes with the Gen III and Gen IV LQ4 6L Vortec mills.

How much HP can a L83 handle?

There are five new features in the new version. The 3L V-8 engine has 355 horsepower (250 kW) and 383 pound-feet of torque. -ft. The torque is 519 Nm….3 L83 Have?

Performance Specifications
Horsepower Rating	355-380 hp @ 5,600 rpm
Torque Rating	383-416 ft.-lbs. @ 4,100 rpm

Is the EcoTec3 5.3 L V8 a good engine?

First of all, we believe that the 5.3L EcoTec3 is a good reliable engine with an excellent combination of performance and fuel efficiency. Despite the wide use of aluminum, it is still an American pushrod V8 OHV motor. It has the torque, power, and smoothness as it should be.

Is a L83 a LT engine?

There are currently just five LT engines, including the LT-based EcoTec3 truck engines: LT1, LT4, L83, L8B, and L86. Much like with LS engines, the easiest way to be sure which LT engine you have is to check the 8th digit of the Vehicle Identification Number (VIN).

What does L83 mean?

The L83 and L8B are both Gen. 5, 5.3L, small block engines used in GM trucks and SUV’s. They are known as the EcoTec3 5.3L engines. These engines are all-aluminum and use Active Fuel Management (AFM), Variable Valve Timing (VVT), and are Flex Fuel Capable (E85).

Is the L83 a good engine?

The L83 is GM’s LT based direct-injected 5.3L engine that comes in every GM truck imaginable. They are plentiful, powerful, and reliable, and are now starting to show up in hot rods, muscle cars, and classic trucks.

What are L83 heads?

Description. Our L83 cylinder heads were developed specifically for the stock displacement, 5.3L Direct Injected engines to deliver improved cylinder fill in the lower RPM ranges while adding substantial airflow increase in the upper ranges as well.

Are 5.3 engines reliable?

The 5.3L V8 Vortec 5300 is considered an engine that is extremely reliable. In fact, many vehicle owners with the engine report having the engine run with minimal issues up to 220k miles. Additionally, the engine blocks are very durable also.

Is L83 flex fuel?

The GM L83 V8 engine is used in pickup trucks and SUVs….EcoTec3 Engine Family Features.

Type:	5.3L V8
Fuel delivery:	direct fuel injection with Active Fuel Management
Compression ratio:	11.0:1
Horsepower (hp / kW @ rpm):	355 / 250 @ 5600 (gas – SAE certified)
	380 / 283 @ 5600 (E85 – SAE certified)