Thread: FT86PROJECT9S
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Old 06-17-2015, 09:52 PM   #11
FRS Justin
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Quote:
Originally Posted by Jesse36m3 View Post
Any idea why that change was implemented in 2013.5?


A few early FA20 engines had problems throwing rocker arms and blowing up might be one of the reasons or the manufacture wanted to save money by having both sides matching eliminating the cost to manufacture 2 different rocker arm and valve sets. I'm not really sure. I'm sure someone on the forum might know better than me.
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