I'm thinking about replacing my General Grapper AW's that came on my truck. They do okay on the road and actually have been okay on dirt. Although, I haven't taken them on anything super slippery. I'm hesitant to air them down less than 25psi because it looks like a bit of the tire is riding on the sidewall and I'm not so sure how tough the sidewalls are on the General Grabber AW's.
In my opinion one of the downsides to the all terrain style tire I'm thinking of getting is that they weigh 15 pounds or more than my current tires. I'm not sure how much of an impact this will have on my mpg, but I'm sure it's not all that good. So I thought what if I get a narrower tire with a larger aspect ratio? The outside diameter is only slightly less, the width is .79" smaller.
This is what the tire calculator came up with
Will these fit on my 2003 Tacoma V6 TRD 4X4 stock rims? Does my reasoning make sense or should I just stick with the stock size? Also I have a minimal 2.5" lift via Bilstien 5100's a rear AAL.