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.

Explore Resources
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.

Learn the basics →

Stay Updated

Sign up to receive the latest rotary engine resources and tuning guides.

ⓕ ⓣ ⓘ ⓤ

Get in Touch

Stories

TitleDateExcerpt
Removing And Replacing FD3S Hatch Glass SafelyThe FD3S Mazda RX-7 uses a bonded rear hatch window rather than a simple rubber-mounted pane. Removing it therefore involves cutting through cured…
Restoring Faded Plastic Trim on SA22C and FC3S ModelsSun-baked black plastic is one of the first signs that an SA22C or FC3S has spent years outdoors. Scuttle panels turn grey, door mirrors lose their depth, and…
Matching Mazda RX-7 Paint Codes With Factory AccuracyPainting an RX-7 in its original factory colour involves more than finding a code and handing it to a paint supplier. Mazda colour formulas changed by…
Installing ABS Delete And Brake Bias Adjustment On The RX-7Removing the factory anti-lock braking system from an RX-7 is a serious change to the car’s hydraulic layout and driving behaviour. It can simplify an FD3S or…
FD3S Brake Rotor Sizes And Caliper Swap OptionsThe Mazda RX-7 FD3S has a capable factory braking system, but rotor dimensions and caliper specifications vary between production years, trim levels and export…
FD3S Brake Pad Compounds For Street, Autocross, And TrackThe Mazda RX-7 FD3S rewards careful brake setup. Its light, responsive chassis can expose a poor pad choice quickly, whether the car is commuting through…
Rebuilding the FC3S Suspension With ConfidenceA worn suspension can hide the character that makes the Mazda RX-7 FC3S so enjoyable. Loose steering, uneven tyre wear, clunks over speed humps and vague…
Coilover spring rates for the RX-7: street and trackCoilover spring rates influence how an RX-7 corners, absorbs bumps and reacts under braking or acceleration. They form only one part of a suspension setup, so…
Suspension geometry basics for the FD3SFD3S suspension geometry comes down to three relationships between each wheel and the road. Camber controls tyre lean, caster shapes steering response, and toe…
Driveshaft balancing and service for the RX-7The RX-7 propshaft carries torque from the transmission to the rear differential. An imbalance, bent tube or worn joint can be felt through the floor or…