The FAST guys use them since they have to keep stock appearances under the hood. So electric vacuum crank case pumps are easy to hide and provide the same advantages that the mechanical vacuum pumps provide. Might get a more in depth answer on that part of your question from those guys.
Experimented with an electric vacuum pump on dad's for a while to work the brakes. Got it from a 2000's Mustang if I remember correctly. Did the job fine if you don't mind hearing it kick on and off. Eventually hydroboost was the way to go.
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2019 Pontiac Heaven class winner
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