okay so i have after market gauges in my 95 accord lx sedan and i have clocked my car on a gps and the speedometer shows that i am going 10 miles faster than my actual speed....70 when im doing 60...... i was just wondering since i do have 17"s on (even thought they are low pros) is there some way i can recalibrate my speedometer??

 

A shop has to recalibrate it.

 

i wouldnt rely on a gps to track how fast my car is going. bring it into a shop and have it checked