Quote:
Originally Posted by b1aze
That assumption is fairly inaccurate. In stock form, the N54 has significantly more headroom in the motor in stock form than the N55 does for a few reasons, mainly the turbo configuration however. If you were to ever want to go for big power, the N54 will be much easier than the N55. A lot of companies are abandoning aftermarket turbo modifications and upgrades for the N55 because its a huge undertaking based on the twin-scroll design and difficult boost control.
Now, that doesn't mean there wont be aftermarket single-turbo setups, but the work and cost involved in that is much much more than just a relatively simple turbo swap, like the RB turbos are for the N54.
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Ah, I see, that's why I'm asking you guys, the subject matter experts!
I will admit I knew the N54 would be much easier but I thought it had more to do with software than simply bolt on upgrades. The engine tuning is the aspect I have researched the least about this car.