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Couldn't find it using search...What is the largest race tire size that can be squeezed onto a 14x5"

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Old Oct 21, 2005 | 11:18 AM
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Default Couldn't find it using search...What is the largest race tire size that can be squeezed onto a 14x5"

Title says it all. 205s?

Thanks,
Vic
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Old Oct 21, 2005 | 11:27 AM
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Default Re: Couldn't find it using search...What is the largest race tire size that can be squeezed onto a 1



225/50R14
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Old Oct 21, 2005 | 11:36 AM
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Default Re: Couldn't find it using search...What is the largest race tire size that can be squeezed onto a 1

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by MattP &raquo;</TD></TR><TR><TD CLASS="quote">

225/50R14</TD></TR></TABLE>

Yup.
As long as the guys doing the mounting know their stuff, you can just about put anything on anything.
Carpenter used to run 225/45/13s on 13x5 wheels in his GS CRX.
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Old Oct 21, 2005 | 11:41 AM
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Default Re: Couldn't find it using search...What is the largest race tire size that can be squeezed onto a 1

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Catch 22 &raquo;</TD></TR><TR><TD CLASS="quote">Yup.
As long as the guys doing the mounting know their stuff, you can just about put anything on anything.
Carpenter used to run 225/45/13s on 13x5 wheels in his GS CRX.</TD></TR></TABLE>

Yep. RacerJon on this board actually mounted these tires. Made it look easy, though I'm sure most tire shops would freak out about it.
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Old Oct 21, 2005 | 12:08 PM
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Default Re: Couldn't find it using search...What is the largest race tire size that can be squeezed onto a 1

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by MattP &raquo;</TD></TR><TR><TD CLASS="quote">

Yep. RacerJon on this board actually mounted these tires. Made it look easy, though I'm sure most tire shops would freak out about it.</TD></TR></TABLE>

Some do. But if you take them to somebody that mounts race tires, they don't even blink.
I've seen more than a few Atlanta Region autocrossers come up to races at Road Atlanta to have Appalachian mount their tires. At least they are also cheaper than most tire shops.
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Old Oct 21, 2005 | 12:19 PM
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Default Re: Couldn't find it using search...What is the largest race tire size that can be squeezed onto a 1

Jeez look at those balloons!

and I thought the 195/55/14's on 5" was bad


I'm sure there is a point at which the effecitveness of the tire starts to decrease as you increase the width.


I remember one time I took some rims in to have the race rubber removed, and the new kid got stuck with the job. (i used to work in a shop so I know how hard it is to remove and mount those tires.

I sat back for 10 minutes to watch kid struggle with dismounting 1 tire, before I showed him the secrets. The next 3 tires only took him 10 minutes.


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Old Oct 21, 2005 | 12:32 PM
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Default Re: Couldn't find it using search...What is the largest race tire size that can be squeezed onto a 1

but even on 5 inch wheels, can you approach that point before you run out of space?

(intrigued)
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Old Oct 21, 2005 | 01:20 PM
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Default Re: Couldn't find it using search...What is the largest race tire size that can be squeezed onto a 1

Its really simple. Look at the tire specs. It tells you the range of wheel widths it will work properly on.


http://www.tirerack.com

http://www.tirerack.com/tires/...+V700
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Old Oct 21, 2005 | 01:26 PM
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Default Re: Couldn't find it using search...What is the largest race tire size that can be squeezed onto a 1

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Grumpy &raquo;</TD></TR><TR><TD CLASS="quote">Its really simple. Look at the tire specs. It tells you the range of wheel widths it will work properly on. </TD></TR></TABLE>

There is what is optimal, and there is what works. 5" is a whole lot narrower than what Hoosier or Kumho list (7"-9" and 6"-8" respectively), but it still works.
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Old Oct 21, 2005 | 01:30 PM
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Default Re: Couldn't find it using search...What is the largest race tire size that can be squeezed onto a 1

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Crazydave &raquo;</TD></TR><TR><TD CLASS="quote">
I'm sure there is a point at which the effecitveness of the tire starts to decrease as you increase the width.
</TD></TR></TABLE>Yup...that point is the point at which the tire gets wide enough to start banging in to things in the wheel well.
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Old Oct 21, 2005 | 01:39 PM
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Default Re: Couldn't find it using search...What is the largest race tire size that can be squeezed onto a 1

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by TeamSlowdotOrg &raquo;</TD></TR><TR><TD CLASS="quote">Yup...that point is the point at which the tire gets wide enough to start banging in to things in the wheel well. </TD></TR></TABLE>

Wrong answer! Too narrow a rim had the same effect a super overinflation of a tire. Only the middle touches the ground.


Modified by Grumpy at 6:26 PM 10/21/2005
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Old Oct 21, 2005 | 02:24 PM
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How come some tires say "do not mount on a __-inch wheel"? Is there any potential danger in this?
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Old Oct 21, 2005 | 02:55 PM
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Default Re: (Burgh)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Burgh &raquo;</TD></TR><TR><TD CLASS="quote">How come some tires say "do not mount on a __-inch wheel"? Is there any potential danger in this? </TD></TR></TABLE>
are you sure you're not thinking about diameter warning?such as many 16" tires have warnings not to mount on 16.5" wheels?
i've never seen warnings on wheel width.

to the original question-i've had 215s on a 5" wheel.
Chris
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Old Oct 21, 2005 | 03:23 PM
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Default Re: (Burgh)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Burgh &raquo;</TD></TR><TR><TD CLASS="quote">How come some tires say "do not mount on a __-inch wheel"? Is there any potential danger in this? </TD></TR></TABLE>

that would be 16" and 16.5 inch rims and tires...they look basically the same and they can fit onto one another...there is a tool for this to double check the diameter...but they really dont make 16.5 inch tires anymore...

id be scared if i had to put a 225 on a 5 inch rim...i know people have done it, i wouldnt personally do it though...
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Old Oct 21, 2005 | 04:18 PM
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Default Re: Couldn't find it using search...What is the largest race tire size that can be squeezed onto a 1

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Grumpy &raquo;</TD></TR><TR><TD CLASS="quote">

Wrong answer! Too narrow a rim had the same effect a super overinflation of a tire. Only the middle touches the ground.
</TD></TR></TABLE>

This isn't necessarily such a bad thing on a stock CRX thats rolling around all over the place on an autocross course.
And you still have more usuable rubber on the ground with a 225 on a 5" wheel than a 195 on that same wheel.

Then there are gearing questions...

Look at all the fat tires on the stock class cars at Topeka. Look at all the ITC Hondas and VWs on the first 4 rows of the ARRC with 225 tires on 13x6 wheels.

Scott, who says top racers have a reason for doing everything. They don't spend extra money on 225 tires when the cheaper 195 would work just as well or better.
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Old Oct 21, 2005 | 04:36 PM
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Default Re: Couldn't find it using search...What is the largest race tire size that can be squeezed onto a 1

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Catch 22 &raquo;</TD></TR><TR><TD CLASS="quote">
Scott, who says top racers have a reason for doing everything. They don't spend extra money on 225 tires when the cheaper 195 would work just as well or better.</TD></TR></TABLE>
Nah... racers do all sorts of random chit all the time just to confuse the peanut gallery

Christian, who's gonna go buy a Phantom Grip LSD 'cause it's the same as an OPM LSD, right?
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Old Oct 21, 2005 | 04:46 PM
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Default Re: Couldn't find it using search...What is the largest race tire size that can be squeezed onto a 1

I would certainly not put grumpy in the peanut gallery clan.
But I do think he probably has more experience with Corvettes with 10" wide wheels than stock CRXs with 5" wide ones.
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Old Oct 21, 2005 | 05:20 PM
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Default Re: Couldn't find it using search...What is the largest race tire size that can be squeezed onto a 1

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Catch 22 &raquo;</TD></TR><TR><TD CLASS="quote">This isn't necessarily such a bad thing on a stock CRX thats rolling around all over the place on an autocross course.</TD></TR></TABLE>

Bingo. And you're not going to see a tire that wide on a rim that narrow in any autocross class that allows spring rate changes.
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Old Oct 24, 2005 | 05:29 AM
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Default Re: Couldn't find it using search...What is the largest race tire size that can be squeezed onto a 1

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Catch 22 &raquo;</TD></TR><TR><TD CLASS="quote">I would certainly not put grumpy in the peanut gallery clan.
But I do think he probably has more experience with Corvettes with 10" wide wheels than stock CRXs with 5" wide ones.
</TD></TR></TABLE>

Good call! 25x10x15 front and 27x11x15 rear for 1969 Corvette on 10" rims.

Just talking road racing and not autocross I still think that mounting within manufacturers requirements is usually a good idea.
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Old Oct 24, 2005 | 10:48 AM
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Default Re: Couldn't find it using search...What is the largest race tire size that can be squeezed onto a 1

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Grumpy &raquo;</TD></TR><TR><TD CLASS="quote">

Wrong answer! Too narrow a rim had the same effect a super overinflation of a tire. Only the middle touches the ground.


</TD></TR></TABLE>

I found out the hard way earier this summer about that after I trashed two new tires in only a couple races. The tires in addition to being ballooned also heat up faster and blister if at the wrong tire pressue. I was really quite pissed about this and thus went out and bought the right size wheels.

Z
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