Timing/Octane question - Power Hungry Performance Forum

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Timing/Octane question

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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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Tue, August 31st, 2010, 05:08 PM

ticopowell ticopowell is offline

Grown-up in training!

Join Date: Oct 2009

Location: Currently in Locust Grove Ga

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ticopowell will become famous soon enough

IMHO I think it would be best to go back to 87 octane, or try the 93 octane tune to see if it happens again. If it doesn't then you are probably going to be fine with a custom tune, but if it does I would get the problem fixed before possibly making it worse by doing a custom tune. just my 2 cents

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