Quote:
Originally Posted by MLSavage
I would lean towards a PPK and that be the end of it. If I were I would pick something slightly more aggressive than the PPK. I don't see myself going to the extent of some of the guys on here as long as this is my DD. Now if I get a significant income increase and have disposable income for a separate DD, anything is possible. By that time I think the N55 would be more easily tunable (assumption).
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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.