Bold charcoal drawing of an engine bay from above showing pulleys, hoses, and chassis rails, moody gray and blue tones, mechanical atmosphere

TurboRX7

The ultimate resource for rotary engine RX-7s — factory documents, rotary engine fundamentals, and PowerFC tuning guides.

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Rotary Basics

Covers the 13B 2‑rotor and 20B 3‑rotor engines — both production and racing variants. Includes a GT35R single turbo build image gallery, various rotary engine photos, and wideband datalogging information.

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TitleDateExcerpt
The Complete Guide To 13B-REW Turbo Rotary Engine SpecificationsThe 13B-REW is the defining powerplant of the third-generation Mazda RX-7 FD3S. Its compact 1,308cc twin-rotor layout, aluminium construction and sequential…
SA22C VIN guide: What the numbers and letters really meanThe Mazda RX-7 SA22C is the very first generation of Wankel-powered sports cars, produced from 1978 to 1985, and remains an icon for enthusiasts across…
FC3S VIN Decoding For JDM And USDM RX-7 ModelsThe Mazda RX-7 FC3S was sold in several markets, and its identification details can vary significantly between Japanese domestic-market and North American…
Decoding Your FD3S VIN: Chassis, Engine, and Production DataThe third-generation Mazda RX-7, known internally as the FD3S, holds a near-mythic status among Australian rotary enthusiasts. From Brisbane workshops to…
Understanding the RX-7 VIN: a complete breakdown for every generationEvery Mazda RX-7 carries a Vehicle Identification Number that tells a story far more detailed than a simple serial code. For Australian enthusiasts chasing…