I wonder if the footprint is enough for a Raptor Clone.
I just compared the space in that part of the park to the footprint of railblazer using satellite images.
There is enough square footage, unfortunately the shape of the space where Sky Rocket sits is awkward because the highway curves around towards the south and the 119 year old Old Mill boat ride is right next to it on the other side.
If Kennywood got really creative removing some buildings and reshaping paths maybe they could make it work, but it seems like a big effort to get a clone to fit. It's so tight I actually think it's basically impossible.
Best case scenario IMO is Sky Rocket sits SBNO for a few more years, the park then uses the funds from a huge attendance increase from Steel Curtain and throws a custom built raptor layout in that spot.
That doesn't seem likely, but a man can dream.