My 4 speed car has a slant 6, so full on Ronnie Sox power shifts doesnt happen much.
What I do know is, overall shifting has improved immensely. Before, there was occasional grinding
on downshifts, which it has smoothed out. With the synthetic properties, it is much better with high heat.
It really has made a huge difference in the performance of my 833. Not sure what else to say than
I think you will be very happy with it.