So park on the shade? eek

Seriously never heard that before, but I don't doubt the science behind the thinking, except if the end result is that critical ( and show quality black is), I would think Tig would be a worse problem for welding distortion, unless welder was willing and paid enough to go 10X? slower with the TIG , process.

Reality check, that half the population is smarter then 50% of the people and it's a constantly contested fact.