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Tt surgeon Tt surgeon is offline
I've gone native
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Join Date: Sep 2011
Location: Long Island, NY
Posts: 1,697
As I mentioned in email, that #3 cylinder is most likely carbon buildup ESP in the face of good compression #s. Also possible that the leak down part was consistently done incorrectly, not at tdc for ex. The compression test is relatively foolproof while the leak down has a lot more variables and potential error points.
'07 997.1tt
Blk/blk 600hp, bad to the bone

Last edited by Tt surgeon; 07-16-2014 at 01:33 PM..
Old 07-16-2014, 01:28 PM
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