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Originally Posted by MikenOH
Where did you get the 3600 figure for the number of sleeved blocks?
I ask since the window on these blocks is usually noted as 10-98 through 2-99. If they were building roughly 1900 cars/month and the problem with the supplier ran 4-5 months, the number would seem to be a lot higher. Or were they building cars with both good quality blocks and sleeved blocks at the same time?
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Hi,
On inquiring, I was told this at a PCA Tech session by a Guest Speaker from Porsche AG.
And yes, it was only a portion of the blocks produced during this period which failed Quality Inspection.
Because the M96 Block was shared by the 996 also, (it is now shared by the 997, 987 and Cayman), Porsche made the decision to use only A grade blocks for the 996 (makes sense since they're double the cost) and to repair the reject blocks (by post-cast machining and inserting sleeves) for the Boxster. He further said that there were no records as to how many of these stayed in Stuttgart and how many were shipped to Valmet in Uusikaupunki, though some were shipped to each. Hope this helps...
Happy Motoring!... Jim'99
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