For Spec Miata racers running the original 1990-’93 car, there are few options available for a limited slip differential. The OEM viscous limited slip is one, but is difficult to find. So is the Mazda Competition Clutch Type, which hasn’t been produced in years. Updating to the 1.8-liter Torsen unit is an alternative, but the […]”
Designed to produce affordable, simple racing, the B-Spec class is taking off within SCCA Club Racing, and racers can go pro racing if they choose with the Pirelli World Challenge Touring Car B Championship. Based on subcompact cars – known as B-Segment cars in much of the world, hence the name – B-Spec is a […]”
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