That would be agreed. I use them mainly for experimenting on sub short scale solid body conversion as a test plate because they are so cheap. I just haven't tried something acoustic and not magnetic pickup. Too much tension,which shouldn't be an issue, would be my only concern. It is a cheap fun try that might be okay in some instance . And, if silverbacks were highly polished / ground more smooth or pressure wound, they would be perfect for me. I like the 115 e. speaking only on gold tones
Have you considered de-tuning?
Let's say that the Goldtone flats turn out to be 15% tighter than the D'Addarios. Mounted on any of the 23.5-25" acoustics and tuned down a whole tone, you'd be back around stock tension.
You'd still have a thicker, beefier feeling string, with the flatwound thump and feel you like, and the same tension the bass had out of the box.
You don't need to measure the string tension directly (although you could do that with a simple jig and a fishing scale).
You could infer the tension by tuning to pitch, and then measuring the string deflection when you pulled up on it with the scale. An inch or two above the fingerboard at the twelfth fret ought to be enough to get a good estimate of how much the tension had increased over the D'Addarios. The value in pounds or kg wouldn't be the same as the actual string pull, but any increase between the first measurement and the second should be proportional.
Alternately, you could just check the neck relief before and after. If you had the same amount of relief after re-stringing and re-tuning, you'd know that you were in the ballpark.
All you'd have to do after that, is keep an eye out for any signs of the bridge moving...