i recently bought apexi pen type turbo timer.. how to install this timer?? i used l2s engine but i dunno how to connet the 02 sensor and air/fuel ratio.. anyone.. plzzzz....:hmmmm:
does it hard to maintain one?how much does it cost per year to maintain?sry,i don know much,tats why open this thread to get more information.Might be getting one ...