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Registered
Join Date: Apr 2002
Location: Omaha, NE
Posts: 3,522
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Used Crank Visual Inspection--What should I look for?
I bought a used 964 crank on ebay and I'd like to know for my own knowledge how to inspect the crank. I'll be taking it to a local shop to do a full inspection and balance but what should I look for?
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1980 911SC Targa 3.6L |
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04-26-2011, 09:03 AM
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Registered
Join Date: Jan 2004
Location: CT
Posts: 11,567
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The journal surfaces should be smooth and you should not be able to catch your fingernails on any surface imperfections.
You can also hang the crank from a lifting strap and ring it by tapping with a brass hammer on the counterweights to check for cracks. Your machinist will inspect the journals with a micrometer to ensure they have not worn beyond the repair limits.
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Tom Butler 1973 RSR Clone 1970 911E 914-6 GT Recreation in Process |
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04-26-2011, 09:38 AM
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