I think a lot of questions are raised.
However...
They made 529WHP. You aren't doing that with the stock turbos with SPD adapters, down pipes, tune, intake, catback.... With the best tune with the best bolt ons.... you're looking at 480-490 tops.
40-50 more horsepower isn't a ton, but it is significant.
The turbos they installed were huge. Why didn't they make more power? My opinion is that they ran into knock and detonation under even the slightest load and recognized pushing further was a quick death. The ecoboost is known for having a narrow threshold between being optimized and having uncontrolled knock. I'm guessing. I have nothing other than ecoboost knowledge to base my opinion.
If that's the case... then to raise the horsepower ceiling considerably more you probably need to dig into the heads, combustion chamber compression ratio, etc. the Ford GT is making over 600 horsepower but its bhp... not at the wheels. Switzer got the Raptor to over 600bhp also.... probably 650ish if you do the drivetrain math.
Then the last thought.... unless you are going into competition or are a hobbyist looking for strip times.... etc.... going beyond what Switzer did is probably not going to make for a great, reliable daily driver. Switzer takes pride in setting up all their kits for reliable daily driving....
So then the final thought.... so is the extra 40-50 wheel horsepower worth the money and labor for this kit.... let alone the dyno tuning.... and I think to answer that question is to know the price and whether or not that you want to spend it.
Is upgrading the turbos just to make the same power as a competitors tune on stock turbos worth the money? Can't imagine this will be cheap or easy to install.
I guess you're just paying for a more efficient setup?
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