At 230lbs, you def need hard bushings in there. I'm 185/190 and they need some cranking down try some Krux 92a; note that the royal bottom is taller than other brand (stock indy/deluxe bait and tackle) but not by much. Krux are much closer in height, as are Indy aftermarket’s.
I hear you but I have setups w/ stock Indy's, stock Slant brand (Globe), stock Thunders, and stock CCS truck. Even the cheapo trucks did not squish like the Royal bushings. I purpose some of those boards for cruising or bowl skating so they are loser, but I was getting the same feeling from the Royals with a whole hell of a lot more kingpin thread showing.
Oh well, problem solved and I'm really digging them so far after the bushing swap. Not as jittery as Thunders. I could not speak to how they "pinch" but my crooked/smith/feeble game is pretty whack so I'm not qualified.
I'm just saying they turn smooth, keep stable, and grind. Would buy again. Seacrest out.