hello to friends in the zth ... I have a problem of tuning Haltech sprint ... if friends can help me to get the correct ratio for the fuel and ignition ... is there a way to get the calculation of the ratio? FYI my...
i want change/upgrade ecu in my car 4g63 engine. whats brand should i take, suitable for this engine.. can i use half cut for that thing...any1 give ur advise