How much HP does a L33 engine have?

310 hp
L33 Engine Performance Specifications

How much HP can a L33 handle?

about 750+ hp
Another bonus of the L33 is it had beefier connecting rods than earlier Gen. 3 engines and had full floating pins. They can handle about 750+ hp and 7,000 rpm in boosted applications (at least for a while).

Are LS 799 heads good?

The 799 heads offered the most flow, bettering the 706 heads by as much as 20 cfm at some lift points. The chamber volume on the 799 heads was within 2.5 cc’s of the 706 heads, but the dyno indicated this did not translate into power on our test engine.

How much horsepower can a stock LS block handle?

how much HP a stock LS1 engine can handle? Most people will tell you 500-550 rwhp is a reasonably safe limit to push a stock bottom end.

What heads came on LM4?

The LM4 is a 5.3L, Gen. 3 small block engine used in GM trucks between 2003 and 2005. It’s is very similar to the LM7, except that it’s built on an aluminum block, and the LM7 is an iron-block engine….GM LM4 Engine Specs.

Is the L33 an aluminum block?

LS Family: Gen. 3, 5.3L, Aluminum Block, Truck Engines 310 hp.

What LS engines have 799 heads?

GM 243 (LS6) and 799 (LS2), 218 cc.

How much horsepower does a GM L33 Vortec engine have?

The engine produces 313 PS (230 kW; 310 HP) at 5,200 rpm. The L33 Vortec 5.3 HO has a torque rating of 441 Nm (45 kg·m; 325 ft·lb) at 4,000 rpm. The GM L33 Vortec has an aluminum cylinder block with a five-bearings crankshaft supported system.

What does L33 compression ratio mean on a car?

Such a high compression ratio indicates the engine’s ability to produce more work, or torque; horsepower is a rate-based measurement of how quickly the engine can perform that work. The L33 was available only in the four-wheel drive, extended-cab versions of vehicles like the Chevrolet Silverado and GMC Sierra from 2005 until 2007.

How much power can a L33 engine handle?

They can be cut to 2.000-inch to fit the standard valve seats and extend the rpm range up to 7,000 rpm. … Although an iron block 5.3 will handle more power, the L33 can still support over 850 whp. You’ve likely upgraded the fuel system and injectors if you’re looking at power adders.

How much does it cost to modify a L33 engine?

When it comes to modifying the L33, it’s easiest to think of it as a small bore LS6. In fact, they can make more power than a LS6 or LS2 with boost due to the thick cylinder walls. They can be found for around $1,300 which is inexpensive for an aluminum block engine.