G.T. Fieros

I want to get my speedometer closer to my actual speed after my 3800 swap I noticed at when driving 110 KMH i'm only actually going about 102 KMH with the stock 215/60R15's.
It looks like 225/70R15's would put me very close to the actual speed my speedometer is reading.
Can I go this high on stock suspension without anything rubbing? I can't see the small thickness increase being a problem.

Calculated Results After Tire Changes
Stock tire width is 8.46 inches. New tire width is 8.85 inches.
Stock tire thickness is 5.07 inches. New tire thickness is 6.2 inches.
Stock tire diameter is 25.15 inches. New tire diameter is 27.4 inches.
When the vehicle speedometer indicates 100 MPH or KMH.
The vehicle speed is actually 108.9 MPH or KMH.

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SaturnTO
Alliston
Ontario

A lot easier to just adjust the PPM in the PCM program to get the speedo more accurate

True but these tires are cheap used my rears could use more tred so would they rub or are they safe to clear everything?

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SaturnTO
Alliston
Ontario