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New-ish 911SC Targa Owner
Join Date: Jun 2015
Location: Richmond VA
Posts: 1,361
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Kenzinger - there is a page in the owners manual that mentions maximum safe sustained (cruising) rpms.
It is something like 6300rpm. Briefly seeing 6800 Or more isn't gonna make it sweat.
That being said, there are quite a few cars running around with broken valve springs so before you change your habits it might be worth pulling covers and confirming the springs are all intact.
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