Ford Focus Forum, Ford Focus ST Forum - View Single Post - SPI struck me as well - Rebuild thread
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Old 01-28-2013, 10:24 AM   #15
a_2000_se
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Join Date: Feb 2009
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Location: The concrete jungle, CO
What I Drive: 2000 SE SOHC SPI, Compression @ 164

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A little late to the dance here but... it looks like you got your questions answered. Good advice on replacing 'yes' replacing your #4 rod. It's been stressed and probably bent.

Hopefully this may not be too late - There "is" an aftermarket manufacturer with a 'new' cast for the SPI SOHC head that supposedly addresses the dropped valveseat problem and makes it a non-issue. A thread somewhere here in this section during the last year was started on this topic.
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Member of the Dropped Valve Seat Club.
Replaced #4 Piston, Rings, Rod+Bearings, AERA Re-Manufactured Cylinder Head and a light Hone. Then CLEANED the hell out of everything.
60k+ miles.
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