Mazda RX-8 with a Toyota 3UZ V8

Mazda RX-8 with a Toyota 3UZ-FE V8

This Mazda RX-8 was built by KMS Engine Performance in Henryków-Urocze, Poland. KMS replaced the damaged factory rotary with a 4.3 L Toyota 3UZ-FE V8. On top of the V8 sits a set of individual throttle bodies and is all controlled by a ECUMaster EMU controller. The engine produces 302 horsepower and 303 lb-ft of … Read more

For Sale: $20K OBO: 2004 Mazda RX-8 With A LS1

2004 Mazda RX-8 With A LS1

This very nice 2004 Mazda RX-8 is being sold in Austin, Texas with a asking price of $20,000 OBO. The car has 95,000 miles on the chassis and 250 miles on the drivetrain. The engine is a recently rebuilt 2000 LS1 connected to an rebuilt T-56 six-speed transmission. The engine conversion was completed using a … Read more

2009 RX-8 with a Turbo 20B Rotary

Mazda RX-8 With Turbocharged 20B Rotary

This 2009 Mazda RX-8 had its factory 13B Renesis two-rotor engine replaced with a Promaz built 20B three-rotor engine. The engine produces 551 horsepower on 16 psi of boost from a Garrett GTX42R turbo controlled by a MicroTech LT16 ECU. Source: FullBoost Youtube channel and Promaz Automotive Facebook page

For Sale: 2004 RX-8 with a LS1 V8 and T56

This 2004 Mazda RX-8 with a LS1 and T-56 six-speed transmission is for sale. The seller is located in Texas and is asking $16,000 obo. The AC works and it is daily driven. The LS1 was installed using a Hinson Supercars swap kit. The motor and transmission had 90k miles when it was pulled form … Read more

Mazda RX-8 With A Twin-turbo LS2

A friend posted progress on an amazing drift RX-8 out of Finland on our Facebook page. The power plant will be a twin-turbo LS2 which is good for around 600 horsepower during this summer with the ultimate goal of 1,000+ horsepower by summer 2015. I can’t wait to see video of this beast going around … Read more

Mazda RX-8 with a Honda K20

I came across this 2005 Mazda RX-8 with a Honda K20Z4 motor while browsing Youtube. The build thread is in Polish but from what I could make out the car uses two ECUs and still has traction and stability control. The owner plans on turbocharging the motor with a GT3071R to reach 400+ horsepower. Source: … Read more