How much horsepower does a cam add to a LS3?

The 224 cam demonstrated just how much the LS3 motor was in need of wilder cam timing. Stepping up 20 degrees of duration (@. 050) resulted in a gain of just over 50 hp, upping the peak power output from 496 hp and 491 lb-ft to 547 hp and 514 lb-ft of torque.

Can you cam a LS3?

If you need a 50-states legal cam for your LS3, use part number 146-103-11. The 8710 cam has 230 degrees of intake duration and 242 degrees of exhaust duration at 0.050 tappet lift. Using the stock 1.7:1 rocker-arm ratio, it has 0.625 inch of intake valve lift and 0.605 inch of exhaust valve lift.

What cam is best for LS3?

To illustrate the gains possible with a cam-only upgrade on a stock LS3, I installed the Gandrud Chevy LS3 crate engine on the dyno and treated it to a Stage IV cam from BTR. Right at the limit of available piston-to-valve clearance, the Stage IV cam was the perfect candidate to work with the stock LS3 heads.

How much horsepower does a Stage 3 cam add on a LS3?

With the larger cam and the extra cubic inches, the LS3 picked up an additional 20 hp at the same horsepower peak as the smaller cam, plus a rowdy idle. It dropped under 10 inches of vacuum at idle as narrow LSA long-duration cams tend to do. It also dropped some torque in the mid range.

How much horsepower does a Stage 3 cam add to a LS3?

With the larger cam and the extra cubic inches, the LS3 picked up an additional 20 hp at the same horsepower peak as the smaller cam, plus a rowdy idle.

How much HP can you get out of a LS3 engine?

850 to 1,000 horsepower
Both the LS3 and L99 engine blocks can be pushed to 850 to 1,000 horsepower. Both engines use rectangle port cylinder heads and have a common 4.065-inch bore diameter. They also have the internal oil passages for Active Fuel Management (AFM), even if unused.

How much HP does a Stage 1 cam add?

While it’s true that camshaft adds horsepower, it’s only 10-20 horsepower and generally less than a 10% increase. The often-quoted 50-100 horsepower gain is only possible with a series of accompanying modifications through Stage 1 and Stage 2 mods.

How much whp can LS3 handle?

They can handle about 800 hp and 6,500 rpm in boosted applications. If you’re getting forged pistons, upgrade to forged connecting rods at the same time. Even though it’s cast, the crankshaft can handle about 900 hp and 7,000 rpm (for a limited time). A broken crankshaft is bad news.

How much HP does a stage 4 cam add?

Equipped with the Summit Stage-4 cam, the peak power output jumped to 568 hp, but peak torque dropped slightly to 510 lb-ft. If you look at the curves, the wilder cam offered more power above 5,500 rpm, but it lost out to the milder Comp cam below that point.

How much power does a Stage 2 cam add?

Stage 2: this is typically referred to an engine with a performance cam upgrade as well as the other components within a Stage 1 combination. A typical Stage 2 has generally +20-25% more HP than stock.

How many pounds of boost can a stock LS3 handle?

As a Performance Shop we have seen a lot and tested even more combinations. Our opinion for street driven, pump gas, stock block LS3 / L99 for longevity is 12lbs of Boost or less. A proper and safe tune is a given.

Can a stock LS3 handle boost?

Each of the engine builders that we spoke with were concise and to the point that the stock LS3 rotating assembly is more than capable of handling the boost levels to attain 500 horsepower.

How much HP can you get out of a LS3?

Both the LS3 and L99 engine blocks can be pushed to 850 to 1,000 horsepower. Both engines use rectangle port cylinder heads and have a common 4.065-inch bore diameter. They also have the internal oil passages for Active Fuel Management (AFM), even if unused.

How much hp does a cammed 6.2 make?

Run with a stock LQ4 cam, the 6.2L L92 produced 445 hp at 5,600 rpm and 460 lb-ft of torque at 4,600 rpm. After installation of the Comp cam, the power output jumped to 550.3 hp and 512 lb-ft of torque. The cam swap improved the power output by more than 100 hp, but the gains were even greater out near 6,500 rpm.

How much HP can an LS3 bottom end handle?

about 800 hp.
They can handle about 800 hp. and 6,500 rpm in boosted applications. If you’re getting forged pistons, upgrade to Forged Connecting Rods at the same time.

How much HP can a c6 LS3 handle?

They can handle about 800 hp and 6,500 rpm in boosted applications. If you’re getting forged pistons, upgrade to forged connecting rods at the same time. Even though it’s cast, the crankshaft can handle about 900 hp and 7,000 rpm (for a limited time).

How much HP can a stock LS3 block handle?

850 to 1000 horsepower
The block can handle 850 to 1000 horsepower. However, you will want to upgrade to head studs and main studs if you plan on using boost or nitrous.

What LS engine can handle the most horsepower?

Ultimately Bryan Neelen and his crew from LME were the winners of LS vs Coyote 2. They were able to put together a 427 cubic-inch LSX engine that produced a staggering 1,784 horsepower and 1,422 lb-ft of torque with the help of a ProCharger F-1X supercharger with a 10-rib serpentine belt.