I'd give you some info on the s256 but my car is in pieces right now it needs some exhaust work to fix some leaks and a new clutch, so I can't give you a good feeler of spool times, etc yet. Though the D55 does seem like a good option, if you are able to get your hands on it.
I'll be running probably 20-22psi on my car depending on knock, with the stock motor. I was going to build it, but if this one goes i'll probably just throw another stocker in. Once you build the motor, then it's the transmission that goes, then it's time for more fuel, etc and I just can't keep dumping money into the car at this point.
Either route you go though should be fun
