Tires (was RE: [Shotimes] Interesting...porting the intake)

[Ron Porter]

Yep, just in doing a couple of quick comparisons on 22/55/16 tires:

Yoko ES100:		Sec. width = 9.1", tread width = 8.3"
Dunlop SP5000:	Sec. width = 9.3", tread width = 7.9"

And both have a Measured rim width of 7". In his case, I would suspect that
8" may not be optimal for the SP5000. Interesting that a rim width range is
not specified for that tire.

On a side note, the SP5000 225/50/16 tire has a section width of 9.1", and a
tread width of 8.4". Interesting compared to the 225/55/16!

Ron Porter 

-----Original Message-----
From: shotimes-admin@autox.team.net [mailto:shotimes-admin@autox.team.net]
On Behalf Of Kirk Doucette
Sent: Friday, August 08, 2003 1:36 AM
To: dean james; Shotimes@autox.team.net
Subject: RE: Tires (was RE: [Shotimes] Interesting...porting the intake)


I think it has a lot to do with the tire itself, Tire companys are supposed
to follow the same set of rules but they don't.

The Kumho 235/45/17   are a Perfect fit for a 7" wheel
The SZ50-ep   were also
My BFG's comp TA, were not they were about an inch wider in the same size
My BFG Comp TA in a 245/45/17 were partly to blame in my small crash a
couple of years ago, they were WAY too wide for a 7" wheel. Plus I was FAT,
drunk and acting like a 16yr old :)

When I buy tires now, I compare the section width on tire rack for each tire
im interested in, for the wheels that I currently have.  This is of course
on the 97 Semi track car. (split 4 ways)
1.Car shows
2..Drags
3. Road Course
4. Broken down   (present status)

On the 91 I just put 225/50/16's on and looking at the budge of the tire, I
think it could use a bit wider wheel. But it will do for now.   I have the
99 16.5" wides on the 91

Kirk J Doucette
NESHOC President
Stormtrooper-97 White

-----Original Message-----
From: shotimes-admin@autox.team.net [mailto:shotimes-admin@autox.team.net]On
Behalf Of dean james
Sent: Thursday, August 07, 2003 7:15 PM
To: Shotimes@autox.team.net
Subject: RE: Tires (was RE: [Shotimes] Interesting...porting the intake)

It would be interesting to compare performance, and maybe some of you
already know the answer to this:

Say a 6" rim is optimum with say a 195 tire, then how does the performance
compare when you put a 225 tire on there?  Is it better, worse, or the same.
  I am guessing that for some aspects of performance it is better while for
others it may be the same or worse.  (That is for braking, lateral grip,
turn-in, etc.)

>Yeah, as you say, the "APPROVED MINIMUM WIDTH"
>
>Which means that you can't sue them when they perform like shit. 225s
>should
>be on a minimum 7" width, and work the best on an 8" width. If you don't
>agree, you don't drive your car hard enough and can't tell the difference.

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