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Old 06-01-2012, 09:13 PM   #1
IA_Chiefs_fan
Focus Jr. Enthusiast
 
Join Date: May 2012
Fan#: 99008
Location: Lamoni, IA
What I Drive: 2001, Black, Sedan

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Replaced Head - Now a couple issues

My son's 01 SPI was running fine but we decided to replace the head proactively. I bought him a new, aftermarket head. The install went fine, and it even seems to have a little more power now, but it also "rattles" or "taps" under acceleration now. If I rev it a little bit, while in neutral, it will also backfire; not a loud backfire, maybe even more of a gurgle. Any advice as to what we should look at??


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