okay i have a 3.5 map bar sensor on order. Also wat is the max and safe boost for a DD t28 bb with a HKS actuator with stock internals for a s13 sr20det. Yes I did read thru the forums and alot of the past discussions are dated back in 06 07. Its 2010 so things change and people experiment and discover new ways. have upgrades like greddy FMIC, rockers, 750cc injectors, and etc... typical build just wanna make sure im still riding a month from now....