Nope, no CR carbs, stock CVKs with Thruxton needles and 150 mains.
But I believe it's member jango, over in bonnevilleamerica.com that has the BB and the CRs. He swears by them too.
I would enjoy a ride together with him to see if there is that big a difference. I also believe he has the D&D cams installed too.
Just the 904 by itself is a major increase, after all, it's about 15% increase in cubes and the compression goes up as well. If you do it, port the heads, it's cheap and will be worth it in the long term I believe.
Pat's Big Bore installation saga
