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Message: <blockquote data-quote="joemomma" data-source="post: 1549816" data-attributes="member: 25929">If it's your daily, then be prepared for it to be down for a few days with the install.  There's a couple schools of thought on the 5.0 - either boost it or top end kit (heads/cam/intake).  Both will get you in similar power territory (assuming you can find a used blower).  Neither will be cheap.Pretty sure the rockers will not clear factory valve covers.  You can get the Cobra rockers (best I remember they are Crane 1.6) and valve covers if you can find them.You would need to measure for pushrod length if changing rockers.  It's cheap and easy, and good insurance.Replace the lifters and do the timing chain while you're in there that far.Properly ported Explorer intakes flow plenty.  The 65MM TB is fine, and so are the 19# injectors/MAF.  Keeping the stock cam, you probably won't need a tune with any of the other mentioned parts (unless you go boost or HCI).Budget an additional 10% or so for miscellaneous stuff (gaskets, sealant, random tools, etc.).</blockquote>