Confort and number of ply/sidewall height

bassheadhemi · Sep 3, 2017

So my tires will need to be replaced before winter and I'm debating if I keep the stock size 275/60r20 (33") or go a inch taller with the 275/65r20(34"). My ko2 right now are 8 ply and a max psi of 65, but the 34 are 10 ply and have a max psi of 80.
So will the ride be harsher with the 10 ply even if there is a little more sidewall and keep the psi low?

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dodge dude94 · Sep 3, 2017

10 ply tires should almost always run a minimum of 50 psi.

Going from 8 ply to 10 ply I can tell you that by upping my pressure from 45 to 55 all the way around it increased the ridfe quality and handling.

Don't know how, but it did.
In my opinion, one should always run a higher pressure with an oversized tire as well. Granted, 1 inch isn't going to make a huge difference.

DannyMK2 · Sep 5, 2017

bassheadhemi said:
So my tires will need to be replaced before winter and I'm debating if I keep the stock size 275/60r20 (33") or go a inch taller with the 275/65r20(34"). My ko2 right now are 8 ply and a max psi of 65, but the 34 are 10 ply and have a max psi of 80.
So will the ride be harsher with the 10 ply even if there is a little more sidewall and keep the psi low?

Sent from my SM-N920W8 using Tapatalk

i doubt youll notice much of a difference. the added side wall height should help balance it out.

dodge dude94 said:
10 ply tires should almost always run a minimum of 50 psi.

not true at all.

Confort and number of ply/sidewall height

bassheadhemi

Senior Member

dodge dude94

Millennial Boomer

DannyMK2

Senior Member

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