Thought about doing it to the dozen s1's I had back then but -- each board had 4 regulators to tweak by hand and x2 per miner x12 miners.... just not worth my time to bother with.
Yeah I had 16 AntMiner S1s at one time, sold off 8 and did the "pencil" trick with the other 8. Man that was a rough two days! Huge PITA to get the exact value needed, was really just trial and error! The S1 was a bulletproof miner that would stay up for ages, after modding them about half of them would restart every couple days. But hey, it dropped the power usage in half!
I still have those 8 modded S1s on a shelf in the garage. I should probably toss em!