Tire and Wheel fitment Q&A

[87MK111Supra]

SO I ended up getting 225/45/16 Konig Traffik wheels all the way around.

Is there anyway to change the speedometer so it reads correctly?

[Spudboy]

Originally Posted by 87MK111Supra

SO I ended up getting 225/45/16 Konig Traffik wheels all the way around.

Is there anyway to change the speedometer so it reads correctly?

I believe those tires are the about the stock size so your speedo should still be good.

FYI - In the future if you ever go bigger...some of those web sites for tire size calculators can tell you speedometer differences to expect. Unless you jack your car up and make it a 4 x 4 with huge tires the speedometer wont change much. (Keep in mind when people go bigger wheels they also go lower profile rubber so actual tire rubber outside diameter doesn't change that dramatically)

[87MK111Supra]

I checked the tire size calculator and the diference at 60 mph made it 62.5 mph. I was just wondering if it was fixable or not, thanks for the help.

[Spudboy]

Originally Posted by 87MK111Supra

I checked the tire size calculator and the diference at 60 mph made it 62.5 mph. I was just wondering if it was fixable or not, thanks for the help.

I'm surprised it's that much of a difference. Stock tires were 225/50/16.
1) The stock speedometers on any car are not totally accurate so a few mph difference is not a big deal.
2) I don't know how to change or adjust a speedometer but I can tell you from experience changing the speedometer or the cable to the dash is a huge pain in the butt.
3) Drive 50, 60, 70... mph next to a few friends on your cell phones and compare speedometer readings.
4) Make a mental note of the results and use that information accordingly.

And remember...if you have NO FEAR...you're not driving fast enough.