[Shotimes] Minimum rim width for 245/45/17 tire? ('93 SHO)

[Paul Nimz]

I'm saving my 245/45/16s on 7.5" rims for road racing only.  Otherwise it's
the 225/50s on my OEM 16" rims until the financial winds blow better.

Paul Nimz
'97 TR SHO
'93 EG mtx SHO


----- Original Message -----
From: "Timothy Wright" <twright@one-eleven.net>
To: <HomeboyNorm@aol.com>; <shotimes@autox.team.net>
Sent: Thursday, November 14, 2002 8:44 AM
Subject: Re: [Shotimes] Minimum rim width for 245/45/17 tire? ('93 SHO)


> Wide rims improve turn in, think of a car in steady state (going straight)
> when you yank the wheel the rim moves immediately but the tires wants to
> continue in the prior path. and the bigger the difference between tire
width
> and rim with the more slop in the link.
>
> Less slop the better the tire "cuts in" more slop better the ride.
>
> Old rule of thumb was keep the rim from 105%- 80% of section width.
>
> you have a 10" wide tire, 80% is 8"  so the minimum rim width is 8.0"
which
> is the mounting width of the tire beads, actual rim width will be 9.0"
wide.
>
> A 10" rim would not be too wide.
>
> Because the widest I could go in a rim with the offset I wanted was 7.5" I
> went with 235/45-17. They are a lot lighter than a 8" rim and 245/45-17
tire
> combination.
>
> The tire is .5" shorter than my stock size (225/55-16) but about the same
> weight. I have to increase inflation 2 psi to keep the same load range.
> 0-60 is much improved with a shorter lighter tire.
>
> Fact is 245 are NOT needed for traction unless you have a blower or NOS
and
> they are so heavy they hurt performance in every way including ride.
>
> You may choose to ask Paul Nimz, I know he used them for a long time.
>
> Timothy Wright
>
> ----- Original Message -----
> From: <HomeboyNorm@aol.com>
> To: <shotimes@autox.team.net>
> Sent: Thursday, November 14, 2002 5:40 AM
> Subject: [Shotimes] Minimum rim width for 245/45/17 tire? ('93 SHO)
>
>
> > Hey all,
> >
> > What is the minimum rim width and offset range for me to be able to run
> some
> > 245/45/17 tires on my '93 SHO? I'm looking at some budget priced 7.5" to
> 8.0"
> > width rims for my car, but I do not know if 245/45 would fit on a 7.5
with
> > the proper offset without rubbing anything on my car.
> >
> > I'd like to upsize from the OE 16" slicers to 17", so I can run
245/45/17
> > tires which are what I have on my other car ('99 Mustang Cobra). I
figured
> it
> > would be a bit easier on me to buy new tires just for one car than to
buy
> two
> > different sizes for two cars. Like when the tires are at half thread on
my
> > Cobra, I could transfer them to the SHO, while I go new on the Cobra.
> >
> > Please help me with what you know. (John H?)
> >
> > Thanks, Norm
> > _______________________________________________
> > Shotimes mailing list
> > Shotimes@autox.team.net
> > http://www.team.net/mailman/listinfo/shotimes
> _______________________________________________
> Shotimes mailing list
> Shotimes@autox.team.net
> http://www.team.net/mailman/listinfo/shotimes