Swivel seat

So I'm on this new kick that I want a swivel seat in my car but I can use some opinions here.

I'm thinking of using a van or RV swivel base as the start and obviously it will have to cut down and modified to fit the car but my main concern is:
Do you guys think an Rv or van seat base is as strong as the original car seat tracks are.

I don't want to compromise safety

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Some of the older big monte carlos had them too , I almost bought one once.