Matt,
The answer might be a Rio MOW tip or SA Skagit Tip.
Because they have additional mass, they may allow the energy from the cast to dissipate differently.
Also, if the trajectory of that 80 to 100ft cast is to high, the line will always fall with a bunch of slack.
Because the skagit is so short and heavy, and has little to no rear taper, overhead casting will only allow a small amount of over hang on the back cast.
If your hitting that distance consistently, I think you just need to fine tune your delivery stroke on the forward cast, and play around with different tips.
Cheers,
Art
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