Using Sea Foam Spray to clean Ford F-150 intake valves [SOLVED]

I just bought a 2011 Ford F150 with 91,000 miles. Engine is a 3.5 V6 EcoBoost with twin turbos. It is also GDI so I am worried the intake valves might get heavy with carbon deposits. For cleaning intake valves, should I use Sea Foam through brake booster or use Sea Foam Spray through the throttle body?


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