Stories
| Title | Date | Excerpt |
|---|---|---|
| Understanding apex seals in rotary engines | Apex seals are small, spring-loaded strips that sit at the tips of a rotary engine’s rotor. They maintain contact with the housing, separating the three… | |
| Why Pre-Mixing Oil Matters In An RX-7 | Rotary engines have a distinctive lubrication challenge. A piston engine keeps most of its critical oil inside the crankcase, while an RX-7’s apex seals,… | |
| Rotary Engine Oil System Basics For RX-7 Owners | A rotary engine depends on carefully controlled lubrication because its combustion chambers are formed by the housing and moving apex seals rather than… | |
| How to Identify a Genuine 20B Engine Block and Rotor Housings | A genuine Mazda 20B is far rarer than a 13B, and that scarcity has created a market where incomplete engines, mixed rotary parts, and optimistic descriptions… | |
| 20B-REW Triple-Rotor Engine History And Technical Specs | The 20B-REW occupies a special place in Mazda’s rotary-engine story. It was the company’s only production three-rotor powerplant, developed for the… | |
| 13B-RE vs 13B-T: Choosing the Right Rotary Character | The 13B family has powered several generations of Mazda sports cars, luxury models and performance projects. Although these engines share two rotors and a 654… | |
| 13B-MSP Renesis Engine Explained Against the 13B-REW | The 13B-MSP Renesis and 13B-REW share the same basic two-rotor Wankel layout, yet they were designed for very different purposes. The Renesis powered the Mazda… | |
| The Complete Guide To 13B-REW Turbo Rotary Engine Specifications | The 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 mean | The 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 Models | The Mazda RX-7 FC3S was sold in several markets, and its identification details can vary significantly between Japanese domestic-market and North American… |