i have a stock jdm b20b block gsr head type r cams supertech valves .5mm on intake and 1mm on exhaust springs and retainers bronze valve guides 5 angle valve job and mild port skunk 2 mani and gsr throttle ima spray on it but still what type of header to use???? for now tuned with vafcII also what type of times would i run with this set up im running 100shot direct port with gsr trans in ek