The engine was opened up yesterday and we replaced the LMA's. Everything inside the engine looked fine and nothing was missing or broken. My VTEC is still weak and i was another theory. I have read other people having weak vtec problems and it being their distributor. The head in my car is from a '94 and the distributor is from a '99. Does anyone know if a distributor from a '99 head will work on a '94 head?