I recently removed the proportioning valve in my car. The front pads had 106k miles on them (yes, you read that right, 106,000 miles) and they still have about half of the lining left. This was probably due to the proportioning valve. The rears were replaced once.
PANTERA INTERNATIONAL
A DE TOMASO CAR CLUB
Presents the De Tomaso Forums
The On-Line Meeting Place for De Tomaso Owners and Enthusiasts From Around the World
Clicking on the banner will take you to the sponsor's website.