Back when "Timmy" Pedal guru, Paul Cochrane was creating amazing Heritage amps, he was criticizing modern-day reverb tanks.
I've been through a few tank tank swaps, and agree with Cochrane. I had to return two brand new tanks due to poor performance. Springs jangled or had overtones at low reverb levels. Even after swapping in vintage tubes the reverb sounded washed out.
That said, if I needed another reverb tank I'd look for a good used tank from an old amp.
Good luck with your MOD tank, Will. I hope it works out for you.