I have been building though, Roy. A very basic setup but I wont be affraid to throw 25psi at it if I have to. Forged slugs, stock rods, race bearings, studs, springs, retainers, cams. Most of the work is done just need to get my crank crack tested and the springs put in the head.
It was Mick who did the asking for me on his recent trip there. Mick let him know about the type of setup im building and projected output and drivability, the verdict was that the 5558 isnt going to delivery the type of performance I want. I am envisioning it will be more like a 3076R, which I drove an SR w3076R on the weekend and it sucked HARD.
Ive sent off to see if I can get a PT 5130 for similar money to the 5558........ If I can then I think its a winner. PT market it as a replacement for an actual 3071R, meant to out perform in every way. See what the price is before I get too amped.