spank_ur_momUse the search button.
xDaRThere's no such thing as a perfect weight / HP
Every car will be COMPLETELY different.
In terms of the LSD start with a 5 / 60 / 60 setup.
For the gearbox that all depends on the car, you'll have to tune it accordingly to keep the car in the power band.
Use trial and error. You'll quickly figure out that even a vegetable can drift on GT5.