bro, still remember me. Im Rosli come from Kota Bharu. Last December i went to ur garage and pick up your twincam head. Now im already installed this head on waja with guided from you via phone call. Engine can running smoothly. Tq.
FYI i do installed adjstable cam pulley, fuel regulator and done all setting..BUT after test drive, my car performance drop down. Can u tell me wht shoul i do? Pls help me.
Tq.