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KATECH FINISHES CORVETTE ZR1 LT5 V8 ENGINES FOR UNITED STATES COAST GUARD

The Supercharged V8 Engines Will Go Into Airboats

Corvette ZR1 LT5

Renown performance company Katech has finished doing something rather unconventional with the 6.2L supercharged LT5 V8 crate engine. Only found in the C7 Corvette ZR1 from the factory, the LT5 is otherwise for the taking as a crate engine via the Chevrolet Performance Parts Catalog, and is ready to be transplanted into a myriad of things. As Katech has demonstrated, it doesn’t have to be just cars. In fact, boats want high octane horsepower, too. Especially airboats from the United States Coast Guard.

“We are proud to have completed these two Katech LT5 Marine AirBoat Engines for the U.S. Coast Guard,” said Katech. “These engines reach 800hp on 91 octane and engine data is displayed to the boat operator via a Bosch Motorsport DDU9 integrated with the factory ECU.”

The Bosch Motorsport DDU9 is a programmable full color dashboard display with a data logging system for motorsport applications, and apparently military applications, as well. Customers can implement their own graphics, pictures etc. on the 12 freely configurable display pages.

As a crate engine, The LT5 stands as the most powerful street legal motor GM has ever offered a la carte. But better believe you’re going to pay for it, with an MSRP of $19,995 when it was announced back in 2018. With it comes 755 horsepower and 715 lb-ft of torque to the crank, by way of GM magic and a 2.65 liter supercharger that just feeds boost to the cylinders like how McCarty fed punches to Lemieux on Joe Louis Arena Ice. Violently.

The LT5 as we know it is a demonstration of what’s possible when an OEM considers all variables, and decides to package 755 horsepower with a warranty. Sure, there’s more power to be found in the aftermarket, but the platform that Chevrolet provided with this C7 Corvette ZR1 engine is more than enough for most, and just enough for America’s Coast Guard.

Written by Manoli Katakis

Muscle Cars & Trucks was founded by Manoli Katakis - an automotive media veteran that has been covering the latest car news since 2009. His journalism has uncovered dozens of major product changes, updates, plans, and cancellations long before automakers were ready to make things official.

Some highlights over the years of his reporting include the uncovering of the Zora trademark before anybody else reported on the coming of a mid-engine Corvette, as well as the dead-accurate reporting of the coming of the Chevrolet Colorado ZR2, two years before it hit the market, and even before the debut of the concept vehicle. This type of reporting has immediately continued here, with reports of the original seventh-generation Camaro plans being shelved, as well as what's in store for the Chevrolet Silverado.

Some of his work can be found on massive automotive media outlets, such as Motor1. He also has been a guest on the 910AM Radio Station with Detroit News auto critic Henry Payne, as well as the enthusiast-oriented Camaro Show podcast.

Over the years, Manoli has interviewed various automotive industry titans, leaders, and people that make things happen otherwise. These include figureheads such as GM CEO Mary Barra, GM President Mark Reuss, automotive aftermarket icon Ken Lingenfelter, Dodge firebrand Tim Kuniskis, along with various chief engineers of vehicles such as the Ford F-150 & Mustang, Chevrolet Camaro & Corvette, and many more.

At MC&T, Manoli is taking his journalism expertise, deeply planted sources, driving abilities, and automotive industry knowledge to new levels, covering more vehicles and brands than ever before. This is the place where you will continue to read groundbreaking stories about American performance vehicles, pickup trucks, and sport utility vehicles. Here is where you’ll also read insights and quotes from various automotive subject matter experts on the latest relevant products, as well as some of the latest official news from their manufacturers.

Fun facts: he also once beat Corvette Racing driver Tommy Milner in an autocross with a Chevrolet Bolt EV. The biggest vehicle he’s ever driven is a John Deere mining truck. Besides a go-kart, the smallest vehicle he’s driven has been a Hyundai i10. He’s also spent time in the cockpit of various American performance vehicle icons, including the fifth-generation Chevrolet Camaro Z/28, Dodge Challenger Demon, and Ford Mustang GT350R. He has reviewed dozens of trucks, SUVs, and performance vehicles over the years.

One of his favorite new vehicles on the market today happens to be the Chevrolet Colorado ZR2 Bison. He is also a card carrying member of the Sports Car Club of America, and regularly participates in Detroit Region autocross events.

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