I want to thank all the members that have upgraded your accounts. I truly appreciate your support of the site monetarily. Supporting the site keeps this site up and running as a lot of work daily goes on behind the scenes.
Click to Support Signs101 ...
Basically ... you can't. The only thing you could do is to search visually for something similar. Myfonts.com has a nice site for doing that. Just enter in the text and start scrolling through their library. Here's a link to the section you would want to be in.
The first thing you should do is to go back to that link I provided you and find the font that best suits your needs ... if it exists. That is an exercise in investing several hours of entering the text string and going through better than 400 pages of type showings.
If you then find a match, then you will need to purchase the font and install it on your computer. Once that is done, you can type out the text and match it up to the sample of "Cutlass Salon" and modify it for best fit. Simply downloading a low resolution image from MyFonts.com is not going to get you a clean finished result.
As I mentioned earlier, GM has a long history of not using commercially available fonts and, considering that electronic type had not been invented when the Cutlass Salon was manufactured, it is highly doubtful that you will find a matching font in electronic form.
The best and most efficient solutions you will find are:
Vectorize it yourself if you have the knowledge and software to do so.