I use a set of 2000 Mustang GT rims for my drag radials. 17x8. Fit perfect on my base model. Front and rear. I think you might be able to squeeze a 16" on the rear.
I'd pull off the cold side charge pipe and check the tb for oil. I had similar high rpm pinging/detonation last year before I capped the intake pcv connection and vented pcv to atmosphere. Intake manifold was coated in oil.
My past experiences with the clowns at Ford/Racing/Performance is that the ones answering the questions usually have less answers than you do. They are just average customer service reps reading from a screen that go into panic mode when they have to go off script.
Honestly it depends on your car. My catch can would fill up in 600 miles with the original pcv/separator. I switched to the revised one and it will still catch oil, but at nowhere near the rate as before. I can half fill the can in about 2000 miles now. It holds about 3oz. But would you still...
From what I've seen bottom 13's - high 12's are easily doable on an auto trans car with a tune/intercooler depending on your altitude. Lund cars are tearing it up as Perfweld and F4_alex can prove. I'm not a fan of the ngauge yet, but wouldn't mind trying Lund in the future. There's an Ngauge...
Try as you might, you'll find virtually no one that can replicate the times that livernois produced on their shop car a long, long time ago.
Although I personally wouldn't recommend it, I witnessed a bone stock automatic Eco premium repeatedly run 12.90's at the track with only a Cobb stage 1...