Arnolda,
Being sponsored isn't as great as it seems because you've signed a contract to do certain things, like forcefully bringing the car events whether you want to or not. If this is your only car, then forget about it. There's a reason why we have "second" cars.
Before being sponsored, you need to make yourself known and popular is variety of ways. Do you own a auto shop/business/website? Do you attend auto events frequently and well known in the community? Do you know the sponsors themselves personally? Do you at least have a professional racing license and compete professionally?
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