Some cars became performance flagships overnight when their engineers swapped in powerful mills to give them the power they ...

The C6 ZR1 was one of the fastest cars in the world at its debut, but here's how it stacked up against European rivals.

the LS9 was rated at 638 horsepower and 604 lb-ft of torque. Like GM's LSA V8, the LS9 engine was derived from the LS3. They share the aluminum engine block and rectangular port cylinder heads.

Assembled at the Wixom manufacturing center in Michigan, the 376-cubic-inch (6.2-liter) LS9 naturally aspirated crate engine. The V8 pumps out a mind-blowing 800 horsepower at the crank and 680 ...

The 375-hp of the LT5 in the 1990 ZR1? The LT7 makes that at 2,800 rpm. At 4,100 rpm, the LT5 has the 2009 LS9 engine beat. As for the last ZR1, that brought back the LT5 name, well, the LT7 makes ...

The 375-hp of the LT5 in the 1990 ZR1? The LT7 makes that at 2,800 rpm. At 4,100 rpm, the LT5 has the 2009 LS9 engine beat. As for the last ZR1, that brought back the LT5 name, well, the LT7 makes ...

In the Cadillac Escalade-V, the LT4 puts out even more power — 682 horsepower and 653 lb-ft of torque. Just like the LS9, the LT4 has a max engine speed of 6,600 RPM. The LT4, however ...

Despite being discontinued, the LS427/570 crate engine with 570 hp and 540 lb-ft of torque is ... perhaps only outdone by the LS9 that powers the C6 ZR1. Given that the LS9 is supercharged from ...

To that end, this Chevy Colorado cradles the supercharged 6.2L V8 LS9 gasoline engine. For those readers ... the LS9 produces an estimated 638 horsepower and 604 pound-feet of torque, but in ...

The famed Canadian firm has released a new VR6 crate engine that is strong enough to handle plenty of power... up to 550 horsepower. The motor, known internally as the PA VR550T, is a 2.5-liter ...

Instead, what makes this 2010 Camaro special is the fact that it has a 6.2-liter supercharged LS9 V8 that features ... helping the engine churn out 705 hp and 680 lb-ft (921 Nm) of torque.