Originally Posted by SVTF4243
My guess is that integrated manifold is the unknown. And people don't like unknowns. There were also rumors floating around that it was a KO3 turbo.
But info now points to a single scroll 6258.
Glad to hear your vote of confidence.
You could always carve off the integrated exhaust manifold off the head & make a bigger & better turbo manifold & possibley work on the head also. Similar what you can do on a ISB cummins intake manifold. For sure single scroll turbo.