Clayton claims the weight only shifted a couple of percent compared to an OEM RX-7. The final result is apparently 500 lbs lighter than the Viper the engine came out of. That's the most impressive ...

Both have engines that I street-ported and built myself. I also have a ’90 black-on-black, drop-top FC RX-7 for sunny summer ... transmission oil pan; S4 T2 OEM Mazda clutch-type differential ...

See All 11 Photos "I told Dan I had this engine that I built with nothing to put it in and he mentioned that he knew of an RX-7 shell that may ... nuke any type of OEM Mazda drivetrain, so Harrell ...

When the engine was rebuilt 11,000 miles ago (right when RX-7 engines tend to detonate ... Sure, it would be good to have car free from any non-OEM additions, but they aren't fundamental ...

Mostly because of its quirky front/mid-engine rotary power setup ... But it also encompasses everything I love about the OEM RX7 shape,” explains the British CGI expert. Of course, a little ...

You really need to pay attention to the oil. The RX7 engine uses a small amount of oil in the gas, to lubricate the rotor seals, and, by design, you use some oil every time you drive it ...

Mazda was, and still is, the biggest name associated with the rotary engine, using it for over 50 years in iconic vehicles like the RX-7 and RX-8. If you've been paying attention to the automotive ...

Increase the size of the engine. But the GSL-SE has a larger rotary engine and since the RX-7 is the only production car in the world that uses a rotary engine, this could be considered a bit unusual.

a company out of New Zealand has built a six-rotor engine for the RX-7 and it is just as insane as you would imagine. The six-rotor engine project was announced earlier this year and a local tuner ...