How does tire load index coorelate to sidewall stiffness/handling of a tire?
03-01-2007, 04:22 AM
#11
AudiWorld Super User
Thread Starter
hm so according to Garry higher load index not eqaul stronger sidewalls?
I find that odd since to support more wight you need stronger support (sidewall) right?
For example lets take two tires I am considering both are ultra high performance all season:
Sumitomo HTR+
Size: 225/45ZR17
Serv. Desc: 90W = So load index of 90
UTQG: 360 AA A
Khumo ECSTA ASX
Size: 225/45ZR17
Serv. Desc: 94W = So load index of 94
UTQG: 420 AA A
they both have W speed rating but different load ratings. I currently have KDW2 and I love the stiff sidewalls but they are very noisy and useless in snow. on top of that Sears has buy 3 sumitomos and get 4th free :-))
For example lets take two tires I am considering both are ultra high performance all season:
Sumitomo HTR+
Size: 225/45ZR17
Serv. Desc: 90W = So load index of 90
UTQG: 360 AA A
Khumo ECSTA ASX
Size: 225/45ZR17
Serv. Desc: 94W = So load index of 94
UTQG: 420 AA A
they both have W speed rating but different load ratings. I currently have KDW2 and I love the stiff sidewalls but they are very noisy and useless in snow. on top of that Sears has buy 3 sumitomos and get 4th free :-))
03-01-2007, 06:20 AM
#12
The pointed ? is does higher load = stiffer sidewalls = crisper handling response. Stronger/=
stiffer necessarily. Also overall tire construction and build quality control factor into the load rating. Tires are complex devices, hard to make genreal rules.
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