There will be a blip for a month or two and the it will go back to normal
a lot of shops will buy a newer model because they have to (Lund racing did for example), and all the people who were waiting to upgrade will also buy.
Where do you imagine that happening?
(I'm guessing that if they shut the runs down at 6500 they were doing them in 7th gear and hitting the factory speed limiter)
You're not getting fresh air when you're stopped. You're getting hot air from the pavement/engine bay
wrap it watch your air temps remain the same. It's not heating up in a plastic tube when it's going through there at 100mph
What engine builder would suggest you use synthetic on a new engine?
it's not that it won't break in, it just what's the best way to do it?
they also don't tell you to change the oil until the OLM goes off in a year or whenever.
New also cars don't bed the brake pads in like they tell you to...