Sentraguy, I know where you're coming from on this.
Experimenting with tyre size can get very expensive if you find you've jumped the wrong way and want to change back.
I recently changed tyre size with great success, by buying a cheap set of secondhand tyres on steel wheels. I went from 195/50/15 to 195/60/15.
It took me a while watching ebay, but I found a set for $50 that I've run for the last 6350 km.
This only worked for me because the Mazda gearbox ratios are too short for my particular driving conditions (mostly highway). You would know better than I how happy your Taurus is at speed.
I thought the taller tyre might adversely effect handling, but that hasn't been the case for my Mazda, so much so, that I'm keeping an eye open for a cheap set of 195/65/15's to try next.
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