12:05 Garage- ’70 Duster build

Did you stick with the same 235/35R18 front tire size when you bought new tires?

Been researching a direction for going to 18" wheels and trying to decide if I am ok with a 245/40R18 on the front instead of the 275/35R18 I have been dreaming of. A 275 front tire means a +35mm offset wheel and those seem to add about $150 per wheel to the cost over a 28x9 +24mm wheel. And it would require a new rear axle to keep the wheel/tire package "square". With a +24mm wheel, I can run a 245/40R18 in the front and a 275/40R18 in the back and on the same wheel and even keep my existing rear axle. So a 275 front tire causes a significant change.

I guess I could run a +35mm wheel in the front and a +24mm wheel in the back and 275/35R18 tires all around and only add $300 to the project. Just seems like if I have the same size tires, it would be odd to have different wheels. And I would have to find a wheel that offers both offsets, which means I am probably back to $400 per wheel and $600 more overall than the +24mm wheel setup would cost.
I did end up using the 235 tire. I wanted to try the 245/40, but the 245/40 is taller than the 275/35. The RT660 isn't available in a 275/40 or 285/35 so I had to go back with the 235. I think I'll ultimately get my front wheels widened to 9". They didn't make a 9" wheel with the correct backspacing, so that's how I ended up with an 8". The 235 is working pretty good for me now that I have the rear sway bar and tire pressure dialed in. I'm sure if I go with a 275 on the front, I'll need to figure things out again. Maybe it will be as simple as loosening the rear bar a little.