Just Carbs
Well-Known Member
The 235/75 would certainly go up the hills and mountains. The car will just have to work a little harder to go up the steepest of mountains (9%?) and it will do more shifting in the hills.Hmmm... now you got me second guessing myself.I went with the 225/75r15 because they are 5/8" taller than the stock 8.55-14's that are on the carView attachment 606975 right now.
Current Tires Bias Ply 8.55-14 = 27.7"
225/75R15= 28.3"
235/75R15= 28.8"
I get what you're saying, but since I live in a rural area near the San Francisco Bay area... I am still surrounded by hills and mountains. I do plan on driving the car locally as well.
The bigger noticeable difference is the local driving. It won't effortlessly zip up to 50 at light throttle with the 235/75 like it does now.
I didn't get any significant improvement in mpg at 70 with the 235/75 over the stock size. Or notice any improvement in noise. These are short stroke motors. I think they are happy with the rpm at 80 with the stock tire size. But the brakes don't like the 235/75.
I don't see how the 225/75 could be anything other than a very good all-around size.
If you really wanted it to stick more, you would need to go to a 245/ to 275/. My experience with that was yes, you can make it go around a curve better. But it did tax the suspension and the cars (64, 66, 68,) didn't ride as well on the less than average (potholes, joints) road surface. The cars didn't control the tire as well in general.
The 69 to 73 definitely do like the 235/75 as a general size tire.
