elemus2004

Hi, I have a 2002 Tribute DX with 215/70 R16 OE Tires. Can I change this tires size for 235/70 R16 without any implication? I'm trying to get a new look to my tribute with new wheels and tires (it have not alloy wheels now).
Thanx.

Zoom Zoom power!!!

TomV

I did a quick check on tirerack.com and they have 235/60-R17 but I did not find any 235/60-R16. Seems like 215/70-R16 is the one for the R16.

elemus2004

I think, both 215/70-R16 and 235/70_R16 are mazda OEM tires size, but the first is for DX and second for ES, my question is if I increse the tire size on a DX to 235/70_R16 could have any implication on handling?

TomV

Another check on tirerack.com, this time looking at just the tires and not the wheels they sell and then the tires that fit on those wheels, shows that the DX had the 215 as std and the 235 as optional. The ES has the 235 as std with no mention of an optional.

mazdatech177

you need to compare both outside diameters. if there is any significant difference you will notice your speedo is off. the larger diameter tire will make your speedo read slower than you are actually going. which could mean speeding tickets

TomV

Hers is a site that does the calculations for you:
http://www.miata.net/garage/tirecalc.html

elemus2004

Now I have the numbers:

Tire Size Comparison

Specification Sidewall Radius Diameter Circumference Revs/Mile Difference
215/70-16 5.9in 13.9in 27.9in 87.5in 724 0.0%
235/70-16 6.5in 14.5in 29.0in 91.0in 697 4.0%

It seems the speedo will read 60 Mph when I 'm traveling at 62.4 mph

Is it significant diference?
will my sppedo turn off?

Any advice?

Thanks.