Alternative to engine compartment mount (picture above):

Requires custom hose and adapter fitting, but no pipes in engine compartment.
Anti-rotational reinforcing bracket added between brass tee mount and valve lower mounting hole.
Requires custom 10" hose - stock Healey on chassis end; 1/8-27 NPT entering valve.
Fitting between valve and axle (see picture below): 03AN crush washer or o-ring & 1/8-27 NPT.