Few people outside of Mazda's RE research department ... In 1983, its IMSA RX-7 won the GTO class at the 24 Hours of Daytona. In 1986, its FC RX-7 set a land-speed record at Bonneville of 238 ...

Having attended both F1 and IMSA races, I found some distinct differences, and you might be surprised at what I discovered. F1 cars are built to go insanely fast and are incredibly nimble.

Courtesy of IMSA The International Motor Sports Association (IMSA) is having a moment. Buried for decades behind bigger and more-popular racing series, the Florida-based IMSA series is fighting ...

Unfortunately, Mazda didn’t document just how many GTUS were built and were made to satisfy IMSA’s GTU series class ... Just like the FC before it, the placement of the 13B behind the front ...

MX-5 Cup, the IMSA-sanctioned spec racing category for ND-generation Mazda MX-5 Miatas, is headed to a short oval track. The series has announced plans for a 100-lap race at the half-mile ...

You don't have to be a Mazda fan to know that the RX-7 is an iconic ... Turbocharging gave the RX-7 a big boost, starting with the FC generation in 1985 and refined in the FD series.

Back in the late ’80s and early ’90s, Mazda was pumping out four-rotor race cars for IMSA, Le Mans, and the Japanese Sports Prototype championship, among other races. One of the best of Mazda ...

The 787B retired the same year due to the FIA changing engine regulations for the World Sportscar Championship, so Mazda brought its four-rotor R26B engine to the U.S. to contest IMSA’s GTP ...

Mazda built just over 272,000 units of ... 2018 saw the arrival of the most expensive FC you could think of, an IMSA GTO racer that went for $150,000. There was also an LSX-powered car which ...

This ex–SpeedSource/Mazda Lola B12/80 competed in the IMSA prototype class from 2014 to 2016, and now it's up for auction on Bring a Trailer. Important detail: It doesn't come with an engine.