it works for me....
good one ca18det man... sour grapes hey..
the turbo is a gt28r 320hp same as the s15... and cost $1100 not $500
the head has custom made oversize valves, portwork, fuel injection, electronic ignition, etc.
all of which was custom made by Headworx..
im sure he will sell u his secret magic formula for the $10000 u spent on the ca....