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I need to order rebuild kit for MC, but can't find any ID markings to ID the MC. There are a few numbers one big "20" should I assume that means 20 mm?
 

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20 means 20mm. That is the standard size for GTV's and early spiders. I think that 22mm was the standard in later years. I swapped out my 20 for a 22 on my Spider. It firmed up the pedal a bit. Andy Kress at Peformatek sells genuine ATE MC's in a variety of sizes for about $100. He can give you good advice on rebuilding/replacing.
Ed Prytherch
74 GTV
79 Spider
88 Verde
 
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