Katech Pushes a Twin-Turbo LT5 V8 to 1486 hp

Katech twin-turbo LT5 V8

Katech is back with an update on their LT5 build series. They showed the LT5 V8 making 1,013 hp and 1,011 lb-ft of torque in a previous update. This time around the company replaced the supercharger with a Hellion twin-turbo kit, Turbosmart boost controller, and wastegate. They also ported the head and the engine made … Read more

Katech LT5 V8 Makes 1013 hp

Katech supercharged LT5 V8

Katech started a new engine build series on the supercharged 6.2 L LT5 V8. They started with a stock LT5 and their Xtreme-DI fuel injection system which made 788 hp and 762 lb-ft of torque on 93 octane fuel. Then they upgraded the injectors and switched to E85 fuel where it made 925 hp and … Read more

LSx and LTx Engine Part Information and Compatibility

The House of Boost LSx and LTx part info and compatibility

Dario from The House of Boost has a lot of experience building LSx V8 engines. We shared just a few of the projects he’s built like the turbo LSx Chevette and turbo LSx Malibu at his company Infamous Racecraft in Strathmore, Alberta, Canada. Recently Dario researched mixing parts from different generations and shared his findings … Read more

LS4 V8 to 4T80E Guide

LS4 V8 block mated to a 4T80E four-speed automatic

You might remember Furches Performance’s FWD Monte Carlo with a turbocharged LS4 V8 we shared last month. Since then Brandon Furches received many questions about how he mated the LS4 V8 to a 4T80E automatic transaxle. So much so that he made a video explaining how he did it. Listen as Brandon explains how to … Read more

14.0 L LSx V16 on the Dyno

Sixteen Power LSx based 14.0 L V16

It’s been almost a year since Sixteen Power debuted their custom 14.0 L V16. The engine is basically two 7.0 L LS7 V8 mated together in a single block that accepts aftermarket heads and intakes. The engine with a mild tune with a mild camshaft made 1,103 horsepower and 1,115 lb-ft of torque on the … Read more

Devel Sixteen Quad-Turbo V16 Makes 5,007 hp

Steve Morris Engines quad-turbo V16

For many years Steve Morris has been working on a quad-turbo V16 engine for the Devel Sixteen supercar. The 748 ci (12,258 cc) V16 features a one-piece billet block, one-piece solid roller camshaft, crank (fires every 45 degrees), four heads, and four 81 mm turbochargers. Steve released a video two years ago when the engine … Read more