As we mentioned in the primary story, the LT4 conversion kit available from Pace Performance Warehouse is a complete system that can pump a stock LT1 to about 425 normally aspirated horsepower.

General Motors' small-block engines have powered its vehicles for decades. We're taking a look at two current models, the LT1 and LT4, to find the differences.

In Part 1 of our LT4 engine build (click here), we inspected, machined, and assembled our LT1 turned LT4 short-block at Trans Am Racing under the watchful eye o ...

Holley LT1/LT4 Swap-Friendly Oil Pan The Drive Junky pulley system solved our power steering issue, but the oil pan that came on the LT1 was another installation obstacle to get past.

Pace Performance now offers solutions for folks who own a vehicle utilizing the 6.2L LT1 V8 or its supercharged counterpart, the LT4, and are looking to make their motors stout enough for a high ...

The 2015 Corvette Z06’s supercharged LT4 makes 650hp at 6,400 rpm and 650 lb-ft of torque at 3,600 rpm. Here are the engineers and components that got it there.

The LT4 came around in the mid-1990s, and it was essentially a high-performance version of the LT1, cranking out 330 horsepower to the LT1's maximum output of 305 hp.

Car enthusiast James Glickenhaus' company, Scuderia Cameron Glickenhaus, has unveiled a fully-working, road-going version of his new SCG Boot revival vehicle.

At press time, Chevrolet.com lists three LT small-block V8 crate engines in the guise of the LT1, the supercharged LT4, and the big daddy LT5 ...

Chevy let us drive a Corvette with an eight-speed automatic transmission yesterday, but engineers also told us a little more about the upcoming 650-hp LT4 engine destined for the next Corvette Z06 ...