Crunch Lab pinch harmonics

Hey folks, I have a 2012ish JP6 BFR equipped with the Crunch Lab/Liquefier combo. Compared to my Illuminator and Sonic Ecstasy equipped guitars, I struggle to pull good pinch squealies from the low E and A strings. Even my Burstbucker equipped LP standard is easier for low string squealies than my JP6. I do have the JP6 tuned to C standard with Power Slinkies. Not sure if that plays a part or not. Thoughts?

Thanks!

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