Basically, yeah. I find that it's one component of the rate at which the secondary opens up and closes. The helix angle effects it, too.
More secondary pre-load and it will upshift slower
Less secondary pre-load and it will upshift faster
Lower helix angle and it will shift slower
Higher helix angle and it will shift faster
More secondary pre-load and it'll backshift better
Lower helix angle and it will backshift better
The more pin weight in the primary, the faster the shift.
Get the balance between all these just right, and it's a whole lot of FUN.
I am still looking for that combination on my sled.
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