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Electrical discharge machining (EDM)
Interesting process...
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Karl ~~~ Current: '80 Silver Targa w /'85 3.2. 964 cams, SSI, Dansk 2 in 1 out muf, custom fuel feed with spin on filter Prior: '77 Copper 924. '73 Black 914. '74 White Carrera. '79 Silver, Black, Anthracite 930s. |
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Yup, been around since the sixties. Commonly used to remove sheared off exhaust studs.
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Walt 82SC 3.0 81SC 3.6 |
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