• Four into one exhaust manifold and ITB’s, evil cams, high compression>turbo

    I have essentially this, minus the itb's on my gti6. It's great fun but hard work on the road keeping it at 4000 rpm and above, even with a close ratio 6 speed. I do often want more torque down low. Might be worth thinking about when you make the choice on the Porsche engine ie what specs and mapping you choose.

    Speaking of mapping, I'm surprised your debating stock ecu versus a full replacement. The amount of nerdiness and tweaking you could do with a new ecu is appealing no?

  • 3.9 gets my vote too.

    If you're going to cap the rev limit to 7500rpm then you'll be better off with the stroker.

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