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Old 10-20-2013, 10:54 AM   #5
re-rx7
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Join Date: Apr 2013
Location: Gainesville,Tx
Age: 38
Posts: 2,405
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Its debated. From what ive read Ford used a coating on the pistons on the 2013+ thinking it wouldnt require them. That being said I think it was just to cut cost.
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