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Registered
Join Date: Dec 2005
Location: Palo Alto, CA
Posts: 203
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Rejected rocker shaft
I was inspecting rocker shafts before reinstalling and came across this one. The one groove is 1.5mm wide as it should be, the other is 0.1mm at its widest point. Have people seen this before? I suspect this is what happens when someone overtorques the rocker shaft bolt.
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02-20-2006, 10:54 PM
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Registered
Join Date: May 2000
Location: Los Alamos, NM, USA
Posts: 6,044
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More likely to be a manufacturing defect or from pounding the shaft out; I have my doubts one could collapse the groove with the torque one can achieve with 5 mm hex key.
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02-22-2006, 07:52 PM
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Registered
Join Date: Mar 2005
Location: Redwood City, Ca
Posts: 21
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I had one with the exact same problem. I noticed this when I tried to put on the RSR seals and one didn't fit. I remember when I was dissasembling the cam carrier that one of the shafts was really difficult to remove (required the freezer and a blow torch). I assume it deformed during it's removal. Obviously you should replace it.
Cheers
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88 Carrera |
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03-01-2006, 10:25 AM
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sure looks TOAST
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1974 Targa 3.6, 2001 C4 (sold), 2019 GT3RS, 2000 ML430 I repair/rebuild Bosch CDI Boxes and Porsche Motronic DMEs Porsche "Hammer" or Porsche PST2, PIWIS III - I can help!! How about a NoBadDays DualChip for 964 or '95 993 |
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03-02-2006, 09:59 PM
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1974 Porsche 911 Targa 3.6
