Ok so I think I did find the optimal set. I originally had Blitz because mons like Tusk, Zama etc were getting hit by Heat Crash for 40 power but I thought that I would just Scale Shot those mons and I am glad I did, because Heat Crash is absolutely phenomenal. I was just dying to Blitz recoil each game but I just got back to back 3 sweeps with Heat Crash on Gouging Fire. This is for sure, the best set.
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https://replay.pokemonshowdown.com/gen9ou-2017244571-cprml1rnuub84nf4wvz7ia42uxeodcqpw
(Gouging Fire kills Tusk, Gambit and Bolt but loses all it's HP in Recoil in the process)