REspeed Blog

This is where we share our knowledge / experience and to let you see the work we do.

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20-Year Sleeping 12A: Bringing a 1971 Rotary-Powered T-bird Back to Life

Rebuilding a First-Generation Mazda Rotary Engine The Mazda rotary engine has been around since the late 1960s, and a few of those early engines are still out there powering cars that mean a great ...
Picture of MazdaDoug MazdaDoug 9 Min Read
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Rotary Engine Build tips | Using newer Stationary Gears

With the rotary engine, there are a few things that can make or break a rebuild. Using new seals and springs is a must. Checking every set of parts with a digital vernier caliper (down to .0001) ...
Picture of MazdaDoug MazdaDoug 4 Min Read
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Rotary Engine REbuild / refresh 12A vintage racecar

Rotary Engine Shop in Colorado | We have customers that still run the 12A engine in their vintage race cars. Why? Because these smaller motors are tough. Do the right maintenance, use the proper ...
Picture of MazdaDoug MazdaDoug 7 Min Read
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