I'm riding evo 3 engine on my wira , using stock turbine & 38mm tial wastegate. Previously i boosting max boost of 1.5bar , but dis few days i realize that my boost dropped from 1.5 to 1.3 bar. I'm using avcr to set...
Isit all EVO got a sound like "KOK" when revv engine and then change gear ?? last time i sit beside a evo 7..the car supplier drive it..when it change gear it comes out a "KOK" sound..it say all evo is like...