hi my 91 civic si is lacking a great deal of power after the mini me head swap.the only thing is that i havent hooked the vtec up yet just have to run the wires from conversion harness but either way shouldnt it have more power than before or even near the same because it dont.oh and the oil light in my car is coming on and staying on and wasnt doing it before and the valves are real loud like its running hot if anyone knows yet whats wrong with my car let me know asap