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| 2004 to 2008 F-150 and Mark-LT 4.2L, 4.6L and 5.4L equipped F-150s and Mark-LTs. |
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#3
Sun, February 20th, 2011, 11:04 PM
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The cam advancement is probably just like the ignition advancement where it lowers under load. From what I've found searching it sounds really close. I don't know anything about this but if you can trust your local dealership ask them. I know that not ALL of them are crooks. You can ask for their opinion but not let them do any work on it.
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