Turbocharger or supercharger for a mazda rx-8?

[Jake7582]

I have a 2004 mazda rx-8 automatic so should I put a supercharger or a turbocharger in it which would be better all around?

[Say]

Supercharger because it will make the best use of the 9k redline as it makes its best power at high rpms. That, plus its a whole lot less plumbing.

A turbo is much more complicated to install and if you don't tune the rotary engine correctly, you'll run rich and blow your apex seals. That, plus turbos make their best power at lower rpms, and there is no torque at lower rpms on that rotary.

[12hrdaze8244]

I just have to ask.....

AUTOMATIC???!?

[leachnissan3204]

Turbo all the way.....supercharger wont help the torgue enough!
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[evanmarcus]

Definitely turbochargers...
The benefit of a turbo is that it compresses a greater mass of intake air into the combustion chamber, thereby resulting in increased efficiency. In contrast to turbochargers, superchargers are not powered by exhaust gases but driven by the engine mechanically.
Thus, a turbocharger does not place a direct mechanical load on the engine and it is more efficient as it uses kinetic energy of the exhaust gas to drive the compressor.