ok so here is what ive done so far (got the car stock 2 months ago)

D16z6 Block
D16y8 Head
ARP headstuds
OEM Timing belt, water pump, headgasket, seals
Rebuilt tranny
Clutch specialties 6 puck disk, xtreme pp
New dizzy for distributor king (good guys)
NGK plug wires
MSD RPM activation for vtec
Ebay Cold air intake
2.5 inch piping
gutted cat

im still using the a6 intake manifold and tb, i dont mean to ask "how much power would i have".....but im wondering if anyone knows how much that manifold is holding me back from what the motor should make? any idea of the gains i would get by going to an ls tb and y8 intake manifold? thanks!