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Mazda RX-7 Install - Yo, Keep Your Cool, Joe

Learn How To Drop Some Degrees on Your 13B

Tyrone Rodriguez
May 30, 2007

If you have a last-generation RX-7 chances are it's got some decent miles on it; you might already be on the second or even third engine. And if you're totally retarded like us, you've been running all-stock stuff. Which means it's time to switch out those crusty parts to lower temps in the engine bay. Why switch it up? The stock intercooler is nothing more than a glorified heat sink, the airbox actually prevents the engine from breathing, and let's not forget the factory air separator tank-basically just a piece of plastic prone to cracking.

These less-than-efficient stock pieces coupled with the stock hood make for some toasty engine temps. Increased water, oil and intake temps mean a higher chance of detonation and that equals bad real fast. We contacted Pettit Racing and Shine Auto Project to help us swap out all the old crap and liven up the engine with some venting. All the work was done by long-time rotary tuner Yoshiya Yajima at NepTune Speed in Huntington Beach, CA. We dropped by just after he had gotten back from surfing, lucky us.

130_0707_07_z+mazda_rx7+pettit_racing_rx7 Photo 18/19   |   Mazda RX-7 Install - Yo, Keep Your Cool, Joe

About Pettit Racing
If you own an RX-7 you better know about Pettit Racing. The Palm Beach, FL-based racing team has been testing and developing performance products for over the last 25 years. Concentrating on rotary engine development, chassis performance and racing with the flying M, Pettit Racing's products are born on the track so they're good enough for your daily hoopty.

130_0707_14_z+mazda_rx7+neptune_speed Photo 19/19   |   Mazda RX-7 Install - Yo, Keep Your Cool, Joe

About NepTune Speed
Aside from typical installations, mods and fabrications, NepTune Speed also performs engine tuning. The company has an in-house dyno and can get good results for anyone looking for some additional power. Yoshiya is their main man and his tuning expertise is with the widely-used Power FC.

By Tyrone Rodriguez
8 Articles

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