thursdays the big day, im going to get it tuned this is my first high performance car BF 6 speed it currently has a .xforce cat back .f6 intake .K&N filter .Diff serviced last month + oil change and coolant flush .turbosmart dose pipe with turbo smart BOV now before then I want to get the most for the tune, been told that by dad to leave it alone but yerh anyway my question is machanic said I should change spark plugs, and do the oil feed line mod or something like that plus I have a 4inch cold air box, and a after market cooler, no pipes or battery relocation kit anyidea q1. what spark plugs q2. this oil line thing q3. battery relocation kit? and finally pipes for the intercooler (can get hands on a FG F6 one if there is a way to get that to fit?) http://www.ebay.com.au/itm/AEROFLOW-FORD-BA-BF-FG-TURBO-OIL-LINE-FILTER-KIT-UTE-XR6-FPV-F6-FALCON-EARLS-/170780792411?pt=AU_Car_Parts_Accessories&hash=item27c354165b&_uhb=1#ht_2025wt_956 is this the oil line thing?