bigger TB (65mm standard V8 which is a direct bolt on) or get your bored to 70mm and make sure it opens 100% as per greenfoams excellent thread. good leads and plugs, full service including fuel filter. get the Holden VS SC cold air intake and K&N filter. headers and 2.5" zorst all you need for a standard engine for street use, LSD and shorter diff ratio(3.08 standard) for better take off, stay away from the spool if you drive it daily and don't wanna be replacing your rear tyres ever 3 months and an axle every six months (read: spools only good for skids and drags etc) if you wanna go a little further maybe try a set of YT high ratio roller rockers