I've flown a bunch of those loop-wing overs in demos and shows. Done right (with the tail to the crowd) the thing looks great, but it is really about a 135 degree bank, done from 50 degrees nose up. Basically an off-axis loop, perhaps 45 degrees from pure vertical.
The 58 looks ok in the maneuver, but the S76 looks like a P51 when you flash by at 160 and then climb into that maneuver. Flip it over as you decel thru 60 knots and the tight little circle at the top is most impressive. Worst place is the fly down - never hold the nose low for long, the speed you build is what make the earth rise up too fast..