hey guys, just signed up here, been a ford mechanic for 6 years now and finally bought an 05 bf xr6t sedan with 36000ks on the clock. mods so far are intake pipe and pod, monza cooler and xforce twin 2.5 mild steel system. coming mods will be 42lb injectors, 4"dump and highflow cat 12lb actuator and vcm flash, I have been doing alot of reading into valve springs and just wanted a few opinions as to whether il need to replace them. not lookin to make over 320rwkw. thanks!