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Old 01-20-2018, 08:31 AM   #1
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Join Date: Jul 2017
Location: Tucson AZ
Posts: 536
When did engine assembly bolts change?

I'm trying to figure out when my replacement engine was remanufactured by Porsche. It started life as a 2000 2.7. It was a factory reman, with the post '05 (?) IMS. Comparing it to my old engine it has 12 point engine fasteners instead of 10mm head hex. Takes a different kind of socket.

When did Porsche change the engine fasteners? Most all of the case bolts, valve cover bolts, even the bolts for the alternator are different from my 2001 engine carcass. Once one has the socket set (available at Harbor Freight for almost nothing) I like these fasteners. Socket fit means that engagement is very solid.
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2001 Boxster
2007 Toyota Highlander
2003 New Beetle Convertible, Turbo, Tip 6 speed
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