try to avoid hi-to-lo stuff la if can. my experince with tht stuff not good at all. will produce hissing sound. unless u change to very very expensive hi-to-lo maybe will no thave this problem la
Im driving a Cefiro with Skyline GTS engine RB20T. The problem that I'm having is when I test my car on the straight road (DRAG), 1st gear when I press full on the fuel...