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Crusty Conservative
Join Date: Apr 1999
Location: Friendswood, TX, America
Posts: 3,243
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According to Frere' they were added while Eng. Hans Tomala was still head of engineering, and were one of the nails in his career coffin at Porsche. he departed sometime in 1966 with Ferdinand Piech replacing him.
Soooooo, they went in sometime BEFORE mid 1966 calendar year I think.
Another point to remember is that many have been discarded over the years by owners and garages as tires improved, and handling became more benign...
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Bill
69 911 T Targa, 2.4E w/carbs (1985-2001)
70 911 S Coupe, 2nd owner (1989- 2015)
73 911 T Targa, 3.2 Motronic (2001- )
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