what is the stock timing on a 00civic si cause a tech just intalled a new ctrintake cam and he set it a 7degrease advanced is this ok. he also installed my new str camgears,revhard spring,ctr ecu. since my old ecu rev limit was 8krpm and my new one is 9krpm is it ok to rev up that high with this set up and do i really need new retainers. thanks