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Old 11-28-2015, 06:22 AM   #1 (permalink)
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Join Date: Nov 2007
Member # 102974
Location: NW INDIANA
Posts: 4,853
Ecoboost MODS & Maint

I am getting ready to do the first oil change in my truck, that I bought used a few months back

Now at 22,000 miles (dealer did syn oil/filter at 17k), I am also going to swap in new plugs

I ordered a set of Motorcraft Iridium (SP-534) plugs from Rock Auto

Crazy cheap compared to everyone else, like $4.02 each

These are the plugs all dealerships are using for Eco rough idle and hesitation reports

With a 5% off order coupon code, its a cheap plug change

I am going with a .030 gap, because from what I read this is what the SP534 come pre-gapped to....

I have read alot about some drilling a 1/16" hole in the intercooler, the help drain out all the moisture........ Anyone do this???
2012 Ford F150 FX4; Long Bed; 3.5L V6 ECO; Max Tow; 3.73; Leveled; 275/65R20 Goodyear Duratracs

Last edited by D45; 10-05-2016 at 08:29 PM.
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