Great to see people investing time/money in things like this just for developement and interest, proper petrolheads.
I think trying to claim the 'old' yb has still got it is stretching the truth a bit. There nothing old about this engine. Is it the future for the yb enthusiast though?? Time will tell i guess.
You always here people banging on about area under the curve, thinks its plain to see Rods setup is truly mental. Goes to show theres definatly more than one way to skin a cat.