As for power I am going for around 100. Which is essentially stock.
I know lame, but it is for a '66 Bus and I am focusing on the CIS fuel injection and hydro lifters with stock cam. So I do not see much power added at all. I need the displacement for torque over big HP.
Now if this were going into a Beetle... I bet we could see 150+HP pretty easy, but the price goes up. 4" Autocraft P&Cs with custom drilled street elliminator heads. 84 crank welded and C/W WBX crank, chevy rods journals... The front wheels may never touch the ground again
Easy displacement, but gets expensive fast. I imagine I will just build a mild 2.1 for the Beetle in the future anyway, granted lumpy cam and great heads still around 140-160HP.
... I would be very affraid of anything over 160-170 in a Beetle anyway... Almost undriveable because of the brutal power to weight issue. A lot of people want huge HP, but to me it is overkill. Granted 125-150 is about right.