oil

So Here it is- I want to boost my car. It is a 99 GS400 with VVTi &E-shift. I have am immediate budget of about $1800 and a complete budget of about 4-5k$ I will like to have extra power as soon as possible. I am willing to try supercharging fro now due to $ and then later move to...

How can you tell the smoke from the tail pipes are from burning of motor oil or running too rich?