a dallas speedcal will fix it, and is very easy to install. www.dallasmustang.com or something close to that~ i have one in my 01 and have had it for a nice long time, works great. you can also very easily alter it for any gear set or tire size.
__________________ 2003 Cobra Vert (Redfire) #3938 of 5082 @ 05/27/2003
472rwhp/493rwtq -Modification List - Dyno Sheet 2012 Mustang 3.7L M6 (Kona Blue) 2011 Ford Edge Sport (Red Metallic)