larger tires affecting performance?
#1
fx4 co-owner
Thread Starter
larger tires affecting performance?
Hello all, a couple of months ago purchased new tires. went from 235/70-16's to 235/85-16's to fill out the wheel wells better. but noticed that on hills that my acceleration isn't as quick as before. would the new tires have anything to do with this? thanks
#2
Senior Member
You bet!!
First lets compare tire sizes...
235/70-16= 28.95" tall
235/85-16= 31.73" tall
that is a 9.6% difference! usually the most allowed without any change in performance or speedo being affected is 3%.
So yes it will definitely make a difference in how your truck's performance is.
You can change the gears to compensate for the taller tires, or just accept a little loss in performance for the cool factor in looks. I'd choose the later.
First lets compare tire sizes...
235/70-16= 28.95" tall
235/85-16= 31.73" tall
that is a 9.6% difference! usually the most allowed without any change in performance or speedo being affected is 3%.
So yes it will definitely make a difference in how your truck's performance is.
You can change the gears to compensate for the taller tires, or just accept a little loss in performance for the cool factor in looks. I'd choose the later.
#3
Senior Member
Throwing this in the equation too,
When your speedometer is reading 65 mph, your actual speed is 71 mph. Never been a real concern for me, and you can get this corrected too if it bugs ya.
When your speedometer is reading 65 mph, your actual speed is 71 mph. Never been a real concern for me, and you can get this corrected too if it bugs ya.