Was good to meet you to kev. The lotus was in the garage next to me and sounded awesome.... You were certainly much quicker in the corners than me, hmmm diff...
ap and stoptec are a bit more but the quality is extremely high and they are proven. I've had willwood in the past and they were also good but that was on a lighter car.
only forge the engine if you really need to and are planning big power, you will have a much smother engine on standard internals.
or
Stroker kit (you need a new crankshaft anyway)
I'm running 10:1 on mine, with the sc your not going to be running as much boost so can afford a little more comp, high boost turbo then you want lower