LMR Sets The 2015 Z06 HP Record With The Help of Nitrous Express

Whether or not you are a Corvette fan, most will admit that the 2015 Chevrolet Corvette Z06 is a gorgeous car, and the LT4 is one amazing engine platform. This car creates some incredible power straight from the factory at 650 hp and 650 lb-ft of torque, and when equipped with the Z07 package it turns into an unbelievable road course car. That being said, some folks have a constant drive to get more power from their vehicles.

When you look into adding horsepower and torque to an engine, there are a lot of available avenues. For this application, we are going to look at two separate systems which are contributing to the increase in power. The first being the mechanical changes and tuning performed by Late Model Racecraft (LMR), the second being a nitrous oxide system built by Nitrous Express.

maxresdefaultWe had the opportunity to speak with Steven Fereday at LMR about the car shown in this video. He informed us that this is actually their personal R&D car which they’ve been using to develop their production parts. This particular car has a LMR camshaft, blower pulley, tune and a few other goodies.

While the Z06 is maintaining the factory 1.7-liter supercharger, the snout has been ported and cleaned up to increase both the volume and delivery speed of the incoming air. As it sits the car produced about 765 hp at the rear wheels on boost alone. Ultimately LMR will be releasing a Stage 3 kit with these options which will be conservatively marketed for producing somewhere around 750 hp.

While that is more then enough power for most racing applications, let alone typical street driving, LMR has more up their sleeves. There is more power to be had from the LT4, but everything is ultimately limited to the laws of physics. At this point LMR believes they have met the mechanical limits of the factory supercharger, meaning no matter how much faster you spin it, it cannot move more air.

You may be familiar with the old saying, “There is no replacement for displacement.” While this is generally referring to the size of an engine, it can be applied to the blower as well as each are ultimately air pumps in their simplest forms.

20938-10_9020e55e-a741-4da7-bfa5-bd1001c4adeb_1024x1024To gain additional power LMR is currently working with Magnuson to produce a prototype supercharger somewhere in the 2.3-liter range. After testing and development, they will be able to offer this as an additional option for those trying to stand closer to that 1,000 hp mark.

Also shown in the video is a complete system from Nitrous Express which apart from looking very clean under the hood, is adding about 100 additional horsepower to the car when engaged.

Just yesterday Fereday took this Z06 to the drag strip and was vey happy with the result, unfortunately they were only able to complete one pass. The car had been fitted with a McLeod twin-disc prototype clutch which was unable to standup to the forces being generated by the hopped up LT4. Unfortunate, but that is the nature of prototypes, and McLeod will undoubtedly have something on the car shortly to take the punishment and then some.

Fereday also mentioned that despite the clutch and having a subpar 60-foot performance, the car ran 10.0 seconds in the quarter-mile. He believes that once everything is sorted out he should be well within the 9 second range so stay tuned for further updates!

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About the author

Brent Davis

Brent was born and raised in Southern California. After earning a Bachelors Degree in business marketing from California State University San Marcos, and a project management certificate from the University of California at San Diego, he decided to turn a lifelong passion for automobiles and motorsports into a career. Brent has a specific passion for diesel-powered and all-terrain vehicles that have helped him haul and recover recreational toys over the years.
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