The Powermaster was the standard for stopping the Gbody Regals in 1986-1987.
They work great, until they don’t.
Then you’re stuck with having to get an expensive replacement (that will eventually fail again).
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You could switch over to a Hydro boost system, or use what the 1989 Pontiac Turbo Trans Ams did, a good ole vacuum brake system.
Below is a great step by step article on how to replace that problematic Powermaster brake system that came stock on all Turbo Buick Regals with a better solution, the vacuum setup.
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>>> READ THE ARTICLE HERE <<<
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