Could do, but the gasket is what usually fails and that’s what I’m keen to do away with.You wouldn't have to weld anything to the head. Just make an adapter plate, tap it for -an fittings and plumb your way out.
So you want to delete the entire housing? I think I remember someone talking about making a racing inspired part that accomplishes this but that was some time ago. Also, your options once you've deleted this aren't nearly as interesting as items such as the Mossleman and its interchangeable thermostat elements:
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totally agree. Never seen this oil cooler before. https://www.mosselmanturbo.com/shop/msl-oil-cooler-kit/Mmm sexy