Not really... a Mazda comp 100psi+ pressure regulator will do.. but not much.
If you want oil pressure dry sump is the way to go. 2900.00 front cover with tubes+ oil tank, fittings and lines 600$$ max. 3700.00 will be at most. Or you can go external dry sump cheaper if you know how to set it up and much more pressure than Mazda comp dry sump...
Porting and enlarging the oil galleys wont do much if you don't have the pump to push the oil.
Hope that helps
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