Spark plug Motorcraft or OEM Audi

Some weekend progress after work, got the plugs changed out and fresh air filters are in.

ive been using the RS7 spark plugs(Gapped properly) and swap every 10k miles, but nowadays I do not run very hard, just cruise and occasional hard accelerations. Paired with APR coil packs, havent had any issues.

Oem Motorcraft plugs are always my go-to. They generally last around 80k miles.

120k miles on my 2015 a3 with a stage 1 tune. I did timing belt, tensioner, and water pump around 100k miles. Costed me like $1k. Also did spark plugs and a new battery, which was another $600.

Modern Ford engines tend to work best with Motorcraft or NGK spark plugs.

Within the last 8,000 miles New spark plugs

Motorcraft is all I use , heard to many stories about aftermarket plugs causing misfires

I do run Motorcraft plugs because they seem to crack a little less than the Autolites.

I heard from an old ford mechanic once that ford designed their ignition system around the motor craft plugs and no other brand plug will run right if installed. Since then only motorcraft or autolite in my fords.

Iridium plugs suck on fords.