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Broken Ferrera valve

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Old 10-14-2008, 11:58 AM
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Default Broken Ferrera valve

Pics are crappy but I think the damage is clear. Springs are Comp 921's and are fine. Put a hole in the piston and the cylinder wall is fubar.
Engine had 63,000 miles.
Old 10-14-2008, 12:55 PM
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How many miles on the springs?

How did you verify they are "fine"?
Old 10-14-2008, 01:13 PM
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Springs are NOT broken.
I have not put them on a spring gage yet but will do so sometime.
They have about 3000 miles on them 90% are street miles.




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