37's on 15" versus 17- 18" rims

[jessie928]

gidday

whats yoru real world experience with say 35-37" inch rubber on firstly 15" rims and then your experience on larger rims like 17- 18" rims

things to include are stuff like

onroad performance relating to sidewal flex ( and lack of)
holding wheel balance properly on road and after offroad trips
ofroad performance when aired down to say 12-15psi

and anything else you can comment on

to start it off with 35's especially 37's on 15" rims, they fall out of balance very QUICK after you ahve aired them down and abused them a little
they make the car handle like a BOAT because of massive amounts of sidewall flex
but they bag out very well when dropped to low pressures and the sidewalls get in on the action heaps aswell.

cheers
Jes

[TWISTY]

I didn't take my old 4runner offroad that much but dropped pressures for beach work on both rim sizes.....Cant say I really noticed any on road difference between 35s on 15s and 35s on 17s.

[jessie928]

I didn't take my old 4runner offroad that much but dropped pressures for beach work on both rim sizes.....Cant say I really noticed any on road difference between 35s on 15s and 35s on 17s.

thanks for yoru reply,

you didnt notice any ride difference on the road? i suppose driving style plays a big part aswell, i tend to roll the rubber a bit..
maybe the bigger size like 37 will be a better comparison

JEs

[jeep97tj]

I had a wrangler on 37x15 there was alot of flex when turning 90deg bends like into streets or going through round abouts at speed but for 90% of the time there was no difference in feeling to the 33s.
Alot of that roll may of just been that I only ran 25psi in them to get a decent foot print on the road because the jeep was so light.

[TWISTY]

thanks for yoru reply, you didnt notice any ride difference on the road?

Nah, any difference in ride definetly wasn't that noticable.

[coopster]

WHAT brand tyre are you talking about some have softer rubber compounds than others

[jessie928]

WHAT brand tyre are you talking about some have softer rubber compounds than others

no tyre in general, just differences in the size of the sidewall.
maybe people dont pay to much attention on the road when they have bigger rubber.

a 37 inch tyre mounted on a 15 inch rim versus
a 37 inch tyre mounted on an 18 inch rim " should" in the real world have less sidewall flex on the road and hold balance better

i may hav to get a set and try for myself

JEs