Bill, Apparently the tires you had on the car previously were incorrect, the correct size is 195/14 front and 235/15 rear. Being that the speedometer pickup is at the left front wheel a change in the rear size would not effect the speedometer calibration. "We're here to help you" DMC Help / De Lorean Services / <dmchelp@xxxx> Web Site: <www.deloreanservices.com> ----- Original Message ----- From: <billschaferabn@xxxx> To: <dmcnews@xxxxxxxxxxx> Sent: Saturday, September 30, 2000 9:51 PM Subject: [DML] Speedometer Readings > > After putting on my new Yoko AVS tires I noticed that it seemed my > speedomter was registering faster speeds than my previous tires. I know the > tires on the rear (235/60VR-15) were quite a bit larger in tire height than > my old ones. The 195/60R-14 front tires are close to what I had on before. My > question is would the larger rear tires cause my speedometer reading to be > off? Do I need to calibrate the speedometer? Thanks > > Bill (11096)