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
Boggi gave us an update on the LS1 powered RX-8. Check out his 11.33 @ 126.5 mph run.
Our friend from Iceland has given us an update on his RX8 project. He also gives some insight into his next project. Hi guy´s. I have done few things for RX8 like build a new engine in it. I´m running LS1 as before with lingenfelter heads, compression around 11,2:1, 3? exhaust system with Borla muffler … Read more
This Mazda RX-8 from Iceland is powered by a 5.7 L LS1 V8 from a 2004 GTO. The project began after the RX-8 had a blown engine and took about 3 weeks in the owner’s spare time. The engine mounts are custom and they could only use the header from the right side of a … Read more