RevOD,,,,
Yes, you can drill & tap for am 1/8" NPT
& install a fitting to hook up your boost ref hose.
Also the top adjustment screw I believe has a hole in the allen set screw.It vents to atmosphere,if I remember correctly.
Plug that hole up w/rtv ,silicone sealant.
If I can find mine,, I'll take a pic & sent it to you.
MBHD
