Differential block

VP Vehicle Controller differential

References

http://www.taylor-race.com/pdf/understanding_differentials.pdf
http://www.racer.nl/tutorial/differentials.htm
http://www.teamhealeytexas.com/Technical%20Articles/Differentials1.htm
http://www.intothered.dk/simracing/differential.html
http://www.zhome.com/ZCMnL/tech/Torsen/Torsen.htm

Videos

Standard: https://www.youtube.com/watch?v=SOgoejxzF8c
Salisbury: https://www.youtube.com/watch?v=PEdnH7_7_yc
LSD: https://www.youtube.com/watch?v=WeLm7wHvdxQ