Livernois Motorsports has the fix. Does you truck have noisy cam phazers? This is the only one time fix for this known problem.
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Will it legally pass inspection for emissions with vct disabled?
This is the first I've heard of it being an issue in the trucks. My 08 5.4 is coming up on 70k and is still quiet. My grandparents 05 5.4 is over 80k and is still quiet.
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