I made an unofficial patch to add SailorSat's Model 1 Communications (Virtua Racing/ Wing War link) to GroovyMAME 148u2.
For information on how to setup the Virtua Racing link see
http://forum.arcadecontrols.com/index.php/topic,130136.msg1331485.html Patch Command:
patch --binary -E -p0 -i your\path\to\diffname.diff
Patch Sequence:
0148u1.diff
0148u2.diff
hi_148u2.diff
0148u2_groovymame_014a.diff
Model1CommGroovyMAME148u2.diff