Radical Sportscars RPE 2.7 L V8 with Hayabusa Heads

Radical Performance Engines RPE V8

Radical Sportscars is known for their series of race cars and road-legal sport cars built in Peterborough, UK. The company’s powertrain division called Radical Performance Engines (formerly Powertec) also builds a custom 72-degree V8. They developed the engine in partnership with Steve Prentice Design starting in 2002. The prototype engine featured a 2.6 L displacement … Read more

Custom Supercharged Inline-Eight

Custom Supercharged Inline-Eight

Chris Ireland aka “Desperate Dan” loves building motorcycles, trikes, hot rods, and engines. Several years ago he built a custom supercharged 2.4 L inline-eight for a trike project. It was constructed from two air-cooled 1200 cc NSU inline-four engines bolted together at the crank. It features a GMC supercharger, Weber twin choke carburetors, and Rover … Read more

Hartley Engine’s Custom 1GZ V12

Nissan S14 with a Toyota 1GZ-FE V12

Jaron Olivecrona competes in a Nissan S14 with a 5.0 L V12 built by Hartley Engines. The V12 makes 700 horsepower at 9,500 rpm with a 13:1 compression ratio and E85 fuel. Although the engine is based on Toyota’s 1GZ-FE V12, it features many custom parts developed and built by Hartley Engines. Listen as Andre … Read more

Rivet Mini with a Cyclone 2.0 L V8

Rivet Mini with a Cyclone Y40R 2.0 L V8

Terry Banyard races his 2007 Rivet Mini off-road buggy with co-driver Chris Brennan in French Rally Championship. Terry’s race car is powered by a 1997 cc V8 called a Cyclone Y40R built by Cyclone Power. The engine is built from a custom block and two DOHC heads from a Yamaha 1000 cc motorcycle engine. The … Read more