http://www.lainginc.com/D5_Vario.htm
I remember the pump having two types of brass pump housings.
The housing is 1/2" thread ( .5" looks strange) is female so he needs a 1/2 to 1/4 adapter.
http://www.bsr-aerotek.com/store/pro...oducts_id=2246
http://www.homedepot.com/prel80/HDUS...2498+100081876
no sure if the o-rings on the barbs will hold up to methanol, epoxy should do the job.
Cheaper going for nickel 1/2" barbs instead