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Old 06-16-2018, 11:47 PM   #45
JimmyMac
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Join Date: Aug 2012
Drives: 2013 FR-S, 2016 Miata Club
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9~10 psi bent rod cylinder #4. I think #3 was slightly bent. #2 looked straight. #1 threw everything through the block. haha I think cause was valve float and/or tossed rocker. You can see in the intake port pic where only one valve was bent/damaged. Exhaust side was fine. Stock 2012 engine. This was awhile back but just now getting to look at the damaged engine out of curiosity. If the valve spring/rocker incident didn't happen, it would have been a matter of time before something else would have.
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