Chris Porter from Forced Induction Pros has made a lot of progress on his Mazda RX-7 project since our last article. The turbocharged Barra inline-six built by Jimmy Bowling at Buschur Racing is installed and running. The motor features forged internals, custom exhaust manifold, upgraded valves, Atomic Performance Stage 5 camshafts, and FuelTech FT500 EFI … Read more
Andy Duffin competes in his 1996 Mazda RX-7 for 3 Rotor Racing in New Zealand. The car is powered by peripheral ported 20B three-rotor built by Green Brothers Racing making 520+ horsepower naturally aspirated or up to 700 horsepower with nitrous. The motor is mated to a TTi GTO six-speed sequential transmission with a twin-plate … Read more
David Mazzei built his 1993 Mazda RX-7 at his company Mazzei Formula in Birmingham, Alabama. The car is powered by a turbocharged and peripheral ported 2.6 L 26B four-rotor that makes 1080 horsepower and 630 lb-ft of torque to the wheels on 13-14 psi of boost. The engine features a Garrett GTX5533 98 mm turbocharger, … Read more
Sean Gordon competes in a Mazda RX-7 with a turbocharged 20B triple-rotor built by Curran Brothers Racing in New Zealand. Power is sent to the wheels through a Quaife six-speed sequential transmission to a Strange Engineering 9-inch diff with custom axles. The coupe rides on D2 adjustable coilovers, custom control arms and swaybars, AP Racing … Read more
Gavin Bey has enjoyed working with rotary engines for over 12 years. However they became very expensive to replace in his area so he switched to Honda power. His Mazda RX-7 FD is now powered by a turbocharged 2.0 L Honda K20A2 inline-four. The stock engine made 504 horsepower on 15 psi of boost from … Read more
It’s been three months since we last shared Todd Budde’s 1993 Mazda RX-7 project being built at his company FabFitters in Vernia, Texas. Since then he’s been working on finishing the project in time for a SEMA 2019 debut. Behind the Mazda RX-3 front sits a twin-turbo all-aluminum 26B four-rotor with a dry sump system. … Read more