On Fri, 30 Sep 2016 15:39:24 -0400, wrote:

On Thu, 29 Sep 2016 20:59:36 -0600, rbowman
wrote:

On 09/29/2016 06:54 PM, wrote:
Replace the speedo gear with the correct one for
the gearing and tire size.

Or that was the secret about 20 years ago...

http://www.hypertech-inc.com/product...alibrator.aspx

It's more difficult in this century for most vehicles.
There are units you just connect to the VSS and tune with a
screwdriver - which makes it actually simpler than changing the gear.

What is a VSS ???????