i have an 88 with the 85 speedo and wanted to install white faced 140 mph.. do i need to get a new speedo head or something ? whats the easiest way to do this? thanks for the help !
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i have an 88 with the 85 speedo and wanted to install white faced 140 mph.. do i need to get a new speedo head or something ? whats the easiest way to do this? thanks for the help !
The speedo must be recalibrated. Many shops can do this. I know brothersperformance.com has a service like that if you want online processing.
You may want to keep an eye out on the Corral for an instrument cluster. Just be sure that you get the appropriate one for your car. There is a major difference between the cluster on an air-bag equipped & non-airbage equipped stang.