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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Rx7 12A Engine REbuilds for Vintage Racing

RX-7 Vintage Racing Engine Rebuilds | Built for Reliability Under Race Conditions Vintage racing an RX-7 is not the same as restoring a street car.
Picture of MazdaDoug MazdaDoug 4 Min Read
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12A Rotary Rebuild for Vintage Racing | RX-7 Engine Builder Colorado

Rebuilding the 12A for Vintage Racing: What Actually Matters Go to any SCCA road racing event and you’ll still see Mazda RX-7 cars running hard down the straights with 12A engines. That alone tells ...
Picture of MazdaDoug MazdaDoug 7 Min Read
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