February 10, 2014

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 […]”

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