Originally Posted by
stevieturbo
No such thing as a n/a YB head as such.
Unless they're just meaning because it's a S&J head, it was n/a...but lets face it any head can be n/a or boost.
And the power is simple...big turbo lol.
The earlier videos seem to have a manual box, although I'd guess to cope with that narrow powerband it is likely an auto ?
I'm not sure but they specifically said they used an original yb na head not a Smith and Jones one
I guess huge turbo and head must be totally maxed out for flow
The turbine housing looks enormous on it