If you supercharged it with an off the self kit, you could probably cut 3-5k out of the budget.
If you compare the cost of a VH conversion to an rb30 conversion, it's not that far off...
Rebuilt to stock spec with OS cast pistons, adapting mods, head mods, adapter plate etc 8.5k As quoted by Lewis.
Tune and nisstune 1.5k
Fuel Pump .5k
Cooler Kit .75k
Exhaust 1.5k
Re-built turbo/Highflow 1.5k
Coilpacks, belts service parts 1k
Engine mounts .5k (to clear strut brace properly)
Auto shift kit and cooler 1k
Coolant bubbler tank .5k
Engineering 1k
Brakes 1k
And you cant sell the 100k AWD rb25, loom, sensors, box and ecu say minus 4k
VH- $25k
RB30- $20k Or If you wanted a built/forged engine add another 3k.
Not that far off...
Cheers
Justin