jbrumley1 Posted Sunday at 07:15 PM Report Share Posted Sunday at 07:15 PM Vehicle is a 2020 2.7 EcoBoost Nautilus Black Label AWD with 25K miles. Livernois tune applied a couple weeks ago (93-pctane performance tune). Just swapped OEM Ford spark plugs for NGK Ruthenium HX plugs, this morning. Just doing the basics before swapping turbos. It was sluggish on nailing the accelerator. The new NGK plugs seem to have helped. Next will be 160-degree thermostat, downpipes and FMIC ... maybe a catch can. Would you install a catch can if you were me? I had one on my previous 1999 Trans Am ... seemed to help a lot on that particular LS1 engine. Those engines were really bad about burning oil after only 20K miles. Quote Link to comment Share on other sites More sharing options...
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