Was just wondering, what size tire came stock on the 2000 ITR?

I think its either 195/55/15 or maybe 205/50/15?

Thanks

Alfred

 

195/55-15 is stock size

205/50-15 fit well too

 

will going from a 195/55/15 to 205/50/15 be a noticable change in the feel of the car? i know its gonna change something but i was wondering if its a noticably big difference in performance. sorry to jack the thread

 

Of the two, which do you think provides better handling? I just recently bought a 96 coupe with ITR suspension and wheels, but the guy has 195/50/15 tires on the wheels, and they ride like crap and look even worse.

Im thinking 195/55/15, unless the 205's would provide much better handling.

Thanks

Alfred

 

you can see the differences here:

http://miata.net/garage/tirecalc.html

195/55-15 205/50-15 195-50-15

sidewall = 4.2 in 4.0 3.8
radius = 11.7 in 11.5 11.3
diameter= 23.4 23.1 22.7
circumf. = 73.7 in 72.5 71.2
revs/mi = 860 874 889


The 195/50s ride is stiff because of the low sidewall height

 

If you own one, just open the driver's side door

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Bbasso &raquo;</TD></TR><TR><TD CLASS="quote">If you own one, just open the driver's side door </TD></TR></TABLE>

or look on the tire

 

Right, plus the 195/50's look too small on the rims anyway...lol

But is there any handling advantage that the 205/50 has over the 195/55, I know its a tad bit wider, but is it enough to be of any advantage?

Thanks

Alfred

 

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-----------------------------------------------------------------

 

Thanks for the search links, but none of them address the handling characterics comparisons of the two tires I am asking about. They mostly compare brands, etc. But I think I'll go with the 195/55 for now anyway, can always change later if needed.

Alfred

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by awdriscol4 &raquo;</TD></TR><TR><TD CLASS="quote">Thanks for the search links, but none of them address the handling characterics comparisons of the two tires I am asking about. They mostly compare brands, etc. But I think I'll go with the 195/55 for now anyway, can always change later if needed.

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


You're asking about tire sizes alone and not making the connection to tire construction, compound or how the tire may run size wise. Although a specific tire may be labeled 205/50/15, it may vary from brand to brand since this is not specifically regulated.

Totally relating to Stock sized ITR wheels 6" wide: A perfect example is the Azenis Sport in 205/50/15 which more resembles a 215 series tire in other brand comparisons. It has a very sticky compound but can get greasy and loose at high temperatures. So it has a grip/compound advantage as compared to other tires priced similarly but also promotes a vague or sloppy feel with turn-in and steering response, because it is that much wider and bows inward toward the wheel from the tread to the bead as opposed to being properly square.

That isn't to say that Every similarly sized labeled tire is the same bit wider and or will provide the same grip and characteristics or performance.

195/55/15 is the stock size tire for the R, true but size alone will not provide the same handling and performance characteristics that are known of the R when shod with Stock Re010's. Kumho 712's could be gotten in stock sizing but would squeal like pigs at far less of the threshhold of the Re010's limit.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 1GreyTeg &raquo;</TD></TR><TR><TD CLASS="quote">You're asking about tire sizes alone and not making the connection to tire construction, compound or how the tire may run size wise.</TD></TR></TABLE>

Exactly. The simple fact is, differences in handling from one make/model of tire to another will probably be much greater than differences due to 10 mm of tread width with the same make/model of tire. So you should really be asking about which make/model tire to use, more so than just size.

For pure handling, in a street tire, I really like the OEM tire (Bridgestone Potenza RE010) in the stock size. The Falken Azenis RT-215 (formerly called the Azenis Sport, the tire that everyone means when they say Azenis, although there are other tires with that name) was well-described by 1Greyteg above.

On the racetrack, there aren't any track tires (R compound) in the stock size, so there's not much choice - if you're using the stock wheels, you pretty much have to go with a 205/50-15. Fortunately, there are a lot of great track tires available in that size, including my current favorite, the Toyo RA-1.

 

so are you saying that the azenis aren't that good of a tire for cornering at the track? I assume thats what u ment by losing turn in potential

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by totsie7944 &raquo;</TD></TR><TR><TD CLASS="quote">so are you saying that the azenis aren't that good of a tire for cornering at the track? I assume thats what u ment by losing turn in potential</TD></TR></TABLE>


no - they are a good tire - just not for the stock 6" wide rim.

They are much better on a 7" rim

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by nsxtasy &raquo;</TD></TR><TR><TD CLASS="quote">
On the racetrack, there aren't any track tires (R compound) in the stock size, so there's not much choice - if you're using the stock wheels, you pretty much have to go with a 205/50-15. Fortunately, there are a lot of great track tires available in that size, including my current favorite, the Toyo RA-1.
</TD></TR></TABLE>

Of course it should be pointed out that 205/50-15 works well with the stock rims. The Yokohama A032R is available at that size, and is a superb tire.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by fso_BamBam &raquo;</TD></TR><TR><TD CLASS="quote">Of course it should be pointed out that 205/50-15 works well with the stock rims.</TD></TR></TABLE>

Of course.

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by fso_BamBam &raquo;</TD></TR><TR><TD CLASS="quote">The Yokohama A032R is available at that size, and is a superb tire. </TD></TR></TABLE>

Yes, the A032R is very good. That's what I was using before I switched over to the Toyo RA-1. I like the RA-1 even better, for all the same reasons as the A032R - very sticky, nice handling, still okay if you have to use it in the rain, lasts a long time compared with other R compound tires. The RA-1 just seems to be a little bit better at everything than the A032R. Oh, and it's cheaper, too ($139.95 at Frisby - great folks to buy track tires, from BTW - vs $164 for the A032R at the Tire Rack, both prices not including shaving). And it doesn't hum on the street.

For more comments comparing these two track tires, check out this previous topic in the ITR forum and this previous topic in the road racing forum.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by nsxtasy &raquo;</TD></TR><TR><TD CLASS="quote"> And it doesn't hum on the street.
</TD></TR></TABLE>


The best reason to get RA-1s

BPR - who doesn't like the gumbo mudder hum of A032Rs

 

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

Oh, and it's cheaper, too ($139.95 at Frisby - great folks to buy track tires, from BTW - vs $164 for the A032R at the Tire Rack, both prices not including shaving). And it doesn't hum on the street.

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

Well, I think you just gave me two good reasons to switch tires!

My current set of A032Rs probably have 2-3 more track days left in them. So, by early April, I'll need a new set. If I can get a tire that's not only cheaper, but does everything a little bit better than the A032R, and on top of that, doesn't hum on the street, I'm sold.