Acceleration in this modified C6 Chevy Corvette ZR1 is brutal

Key things

  • Late Model Racecraft transforms a 2009 Corvette ZR1 into a brutal sports car with over 800 horsepower.
  • The power boost is achieved with a port supercharger and other improvements, resulting in stunning acceleration.
  • The video shows the Corvette’s performance, including 60-130 mph in just five seconds, and highlights the engine rebuild process.


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The Chevrolet The Corvette is an instantly recognizable sports car, and there have been some incredible variations of this model over the years. The Corvette is a favorite car of tuners and modifiers, and the 2009 ZR1 example has undergone some pretty major changes.

The car belongs to the customer from Late model racing vessel, and showed it off on their YouTube channel with what they call “stunning” edits. Late Model Racecraft specializes in building and tuning some of the most powerful LS and LT platforms.

A video on their YouTube channel shows the 2009 ZR1 through its paces and explains some of the details behind the car. We’ll also get a look at the car, as well as a chance to ride on board when the garage goes for a drive with the sports car. The ZR1 now produces more than 800 horsepower and over 700 lb-ft of torque, with that power boost coming thanks to a huge supercharger now located under the hood. This makes this possible Chevrolet Corvette have seriously mind bending acceleration.

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The 2009 Corvette ZR1 has over 800 horsepower

2009 Chevrolet Corvette ZR1 Engine Specs

Manufacturer

Chevrolet/General Motors

Production years

2009

Configuration

Supercharged V8

Transfer

6.2 liters

Power supply

638 horses

Torque

604 lb-ft

Fuel

Gas

(Comes from General Motors/GMC)

The goal of this construction was to provide the customer with a sports car with an output of at least 750 horsepower and good driving characteristics. That’s exactly what the team here did when they kept the car at 93 octane. The key to the huge power increase is a ported LS9 supercharger from the guys at King Performance.

According to Chevrolet and GM original 2009 Corvette C6 ZR1 it comes with a 6.2-liter turbocharged V8 engine that produces 638 horsepower and 604 lb-ft of torque. Power is now up nearly 200 horsepower as the Corvette now has 812 horsepower and 712 lb-ft of torque going to the rear wheels.

The video shows the dealership taking the sports car for a test drive as it dials in the engine and manual transmission for the Corvette. The video shows the Corvette accelerating as the test driver puts his foot down and it digs in when pulling out of second gear. The way the Corvette accelerates is brutal, and the ferocity from the supercharged V8 is loud and clear.

The Corvette will go from 60 mph to 130 mph and is the first pass for a sports car with a lap time of around five seconds. The car is headed back to the workshop for a closer look and we see the outside of the Corvette in its gorgeous red exterior.

While the ZR1 is in the shop, it has been diagnosed with several problems, including a tensioner that split due to a bearing failure. The workshop claims this has caused a lot of noise and rattling when the car is in motion.

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The Corvette’s engine was removed

  • The Corvette now has a ported LS9 supercharger under the hood
  • The ZR1 has its own set of camshafts, heads and support accessories
  • This ZR1 now produces over 800 horsepower
  • It accelerates from 60 to 130 mph in just five seconds

Engine for Corvette it was removed from the car so the Late Model Racecraft team could inspect it to make sure it was OK. While inspecting it, they found some pitting marks on the camshaft that created a rough surface.

As soon as this happens, they start to make an unpleasant sound and move irregularly. New camshafts and lifters replace bad components, and the video shows the new cams going into the engine, making for a satisfying sight. After that, the engine returns to the Corvette and is ready for supercharging.

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Corvette ZR1 hits the Dyno

2009 Chevrolet Corvette ZR1 LS9 Supercharged Dyno Data
via the Late Model Racecraft YouTube channel

The video follows the rest of the rebuilding process before we see the Corvette on the dyno. The sports car makes some ridiculous noises during its revs, with the supercharger helping the V8 scream.

A look at the dyno reveals a maximum output to the rear wheels of 814.93 ka and a maximum torque of 712 lb-ft. Some beautiful shots of the car’s exterior give us a closer look, allowing us to see its clean lines in full. It’s a gorgeous vehicle with the performance and soundtrack to match.

Credits: Late Model Racecraft YouTube Channel, Chevrolet/General Motors, GMC