Originally Posted by jays05
The only difference between the STI and WRX cams (besides AVCS which is easily disabled) is lift. They have the same duration. I really don't see why people build hybrid motors using WRX cams.
Because some of use spin a rod bearing and instead of doing a tear down we opt to have the STi SB dropped in and dont have enough $$ to do head work.
But you'll definitely want to upgrade your cams if you can.