So I switched back from a Kazz and 4:56 to stock for this past event.

On the plus, the stock gearing works a lot better for Thunderhill anyway. I could come out in second, and not instantly rev out.

On the minus side, I miss the Kazz. I wasn't sure what it was, or was not doing, but it seems to make the car a bit more predictable. I found that without it, it has developed a mid throttle understeer, and a no throttle oversteer, that wasn't there before. Not something huge, but it is noticeable. Just thought I would post this as an FYI.

Bill

 

Maybe due to the gear change, not the Kazz?

 

When i tried a kazz a number of years ago i found that it induced a fair bit of oversteer under power all on its own.
I attributed it to a tight clutch pack that forced both rear wheel to try and run at the same speed to a much greater degree than the Torsen2 in the stock diff.

It was very easy/fun to induce and control the oversteer with the clutch pac but i found that it induced oversteer much too easily under power and limited the amount of power i could put down compared to the T2.