Ok. I have a couple questions about my S2000.

1. It has an Air/Fuel ratio gauge installed already (I didn't install it). I do not know how to read it. It doesn't have numbers, but its a round gauge and it goes from lean to stoic to rich. But it has 3 light lighting up on it. One Right at the end of Lean, One Right at the beginning of Stoic, and one at the very end of Rich. I have no clue how to read it.

2. What are the pro's and con's of lowering? If I have 18" wheels on, will they have a negative effect on lowering an inch or two?

3. If my car is running too lean, how can I fix that and how much would it be? I think it's an ECU tune that fixes it, but I'm not sure.

 

1. lean=lean, rich=rich, stoich=normal
2. look into driveshaft spacers when lowering the car, helps keep things aligned
3. i'm not sure

 

Thanks for the advice. I made another thread for this, so someone can close this one.