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Registered
Join Date: May 2005
Location: Cridersville, OH
Posts: 1,879
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Quote:
Originally Posted by Steve@Rennsport
JMHO, but I think its due to the weight of the intake valves. Porsche told us at that time that the root cause was improper heat treating.
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ding ding ding.... We have a winner. We always see Int. spring fatigue and failure before exhaust.
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75 911 Indian Red- RUFWAN2B 2000 Boxster
2000 & 2007 Dobies
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