The proper champion plug is the "QL77JC4" gapped at .030".
I just got a new to me 2016 f150 with 120k. Did air filter, cabin filter, spark plugs (had a misfire) and boots and oil change. I used champion plugs but most reccomend OEM. Got a wix air filter and a fram oil filter. I used full synthetic 5W-20 Valvoline R&P oil. Use rock auto for parts if possible.
I couldn’t use any other spark plugs I had to use those or my car would run like crap.
In my 2012 with the 2.5L engine, I replaced my spark plugs with Bosch Iridium (#96302), around 90K miles. It's been great since.
I don't say for 100% sure but my understanding is that Bosch and NGK are the ones you should use
The car works almost fine with the new bosch , i have a little vibration on idling .
Never use bosch plugs. I work in a bosch car service and we won't use em, NGK only. Bosch stuff is garbage
BOSCH stopped German manufacture of spark plugs long ago, they suck now.
Champion are the only plugs I’ve had the ceramic crack on, so no more Champion for me.
Mann fuel and air filter, Bosch distributor cap and rotor, NGK spark plugs and NGK wires. I had Bosch spark plugs W6DPO, the car runs exactly the same.
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