UPDATE:
I was going to try swapping back to the original sender and try it with the refurb'd speedo. I had originally swapped it from underneath with the car on ramps. This time, I put it on jack stands and removed the driver's side rear wheel. Much better. I was able to remove the sender through the wheel well. After removing the bolt, I pulled it out and tried cleaning the magnets (eight). I used a small piece of dowel and a rag. I poked the rag through the sender hole and turned the brake rotor by hand. I decided to pop that sender back in and test it out.
I was a little surprised and very happy to find that the speedometer now worked much better. It was a still few MPH off from the GPS, but I expected that and, overall, I'm satisfied.
Next time, I'll clean the magnets first and maybe I can save two hundred bucks.
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1987 911 Coupe, Diamond Blue Metallic
2006 Cayman S, Seal Gray
1983 911 Targa, Black: The Dirty 911 (GRM)
Last edited by Woodyhfd; 10-07-2009 at 05:53 PM..
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