Torque arm Pinion
https://ls1tech.com/forums/search.php
Here
https://ls1tech.com/forums/drag-racing-tech/305930-how-does-pinion-angle-affect-traction-launch.html
and here
https://ls1tech.com/forums/drag-racing-tech/700030-pinion-angle.html
this helps too
www.google.com
but be careful not to step into the bullshit.

