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Case Through Bolt Washers
Are these correct washers for early 911 case through bolts? The came off our 1970 914-6 (aka 1969 911T). As you can probably see, they have a bevel on the interior. The OD is flat on both sides.
 When I look up the associated part numbers (901-101-161-01, 901-101-161-02, 901-101-161-03) one side has an exterior bevel. Is this an evolution in design, or do we have the wrong washers? 
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12-19-2023, 07:57 PM
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Wouldn't you know it. Right after posting this I found the answer. According to Bruce Anderson's Porsche 911 Performance Handbook, the washer I have at top was used on early engines up until the 2.7-liter of 1973.
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12-19-2023, 08:17 PM
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Join Date: Oct 2008
Location: Nash County, NC.
Posts: 8,467
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Yes, the tapered ones came with the larger base on the 2.7 and later cylinders
Bruce |
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12-26-2023, 05:27 AM
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| engine case , washers |
