[Tach_it]

What are your power goals? You to bee more specific with what you are trying to gain, and if you are planning on getting high po rods, crank, and pistons you better have several thousand dollars. On that bore situation the stock bore is 87mm, most individuals rebuilding usually go with 20 or 40 over which 87.5mm and 88mm. Which would put you at 182 and 184 cubic inches which is 2991 CCs and 3026 CCs. Considering the VG30DE(TT) is 2958 CCs stock form it would be impossible to attain 3.3 liters and you could attempt to get some custom pistons made for the big bucks. Your other option would be a stroker application. Check with some crank and piston manufacturers. Hope that helps.