Originally Posted by awkwardturtle

Thanks. Facepalm at myself. I googled earlier and didn't see any mention of it.. googled it now and the first link says just that.

And yeah, that's the old style buttdyno. It's off by about 5%.

Feel free to school me on a TT setup. Is it not possible to use a big and small turbo on a parallel setup, then? That was always my assumption of how TT'd cars worked