electro_cal New Member Dec 18, 2014 1 0 1 Dec 18, 2014 #1 Dec 18, 2014 #1 I just bought a 94 gt. my speedometer is about 15mph slow. the tires are 245/45/17 which is correct. the car is pretty slow, so I dont think the gears have been changed. what would cause this? and how do I fix it?
I just bought a 94 gt. my speedometer is about 15mph slow. the tires are 245/45/17 which is correct. the car is pretty slow, so I dont think the gears have been changed. what would cause this? and how do I fix it?
addermk2 5 Year Member Aug 25, 2009 308 87 49 Dec 18, 2014 #2 Dec 18, 2014 #2 Check your gears before doing anything. You can't proceed until you do.