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2004 - 2008 F150 2004, 2005, 2006, 2007 and 2008 Ford F150's with 5.4 V8, 4.6 V8 engine
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5.4 compatibility

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Old Feb 26, 2013 | 03:12 PM
  #1  
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robbhorn
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5.4 compatibility

Hi there... new to the forum. I have an 08 F150 with a 5.4 (8th digit V). The engine is siezed. While on ebay (I know... i know...) I saw something about the 4.2 being a compatible swap!?

Is this true? What mods would need to be done? Any other compatible engines with minimum mods?
 
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Old Feb 26, 2013 | 08:01 PM
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stick with the 5.4 that way you will have no issues
 
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Old Feb 27, 2013 | 09:14 PM
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air1jpg
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x2, stick with the 5.4. Especially if you have more than a single cab 4x2 truck, a 4.2 V6 will not a whole lot of power compared to the 5.4.
 
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Old Feb 27, 2013 | 09:22 PM
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Ducky F150
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im not knockin the 4.2 my buddy has one in a 2000 f150 with over 130000 on the clock never had a major problem but for simplity stick with the 5.4
 
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