Their shop is in my back yard and I have used them for years. They recently rebuilt my speedo and calibrated to my 3.54 differential. John Spaur At 10:04 PM 8/19/2013 -0500, Richard Collins wrote: >FWIW I have sent various speedos for the Healey and Porsches to Palo Alto >speedometer over the years and never had an issue.