Nate, popping could be caused by plugs? i had the same problem, gapped el cheapo ones at 0.8 and all solved.
anywayz, post what kind of power u managed
Paul - they have the head, both RB25 and RB26 so i guess they're ok there. pistons, rods, etc they wouldnt be able to use RB30s for silly power levels anyway rite?
how much is the block, just by itself?
im taking my S15 mate to Mandurah....well he just wants to drive on the freeway for a bit to see if the car is too loud and if his mum will bitch when she gets here next week...
but thats not for another hour or so