The old Brothers Trucks (now I guess Holley) has a "universal master cylinder access door" as well as a "remote reservoir conversion" Kit
https://www.holley.com/products/cooling/parts/RRK4787[uhttps://www.holley.com/products/brakes/replacement-brake-parts/master_cylinder_and_booster/parts/ACCESS-MC
conversionrl=http://http://][/url]
OK, sorry how this turned out. The info is all there.
My apologies to my tutor. I guess an old dog like me CAN'T learn new tricks.
S2