I made several mounts to get my temps within a couple of degrees of each other, one thing I noticed on my board was it was possible to over tighten the block which resulted in board flex making the PWM squeal & the rig would randomly re-boot passably due to the PWM's overheating.
I don't think tightening the block down until the springs or spacers bottom is good I think its way too tight.
I now use a back plate on the board & just apply light block mounting pressure & all is good.
The PA is awesome do it you know you want to
CN

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