found this thought it might help someone one day
pulsa-jet carb frame by frame
http://www.compgoparts.com/technicalresources/briggscarburetors.asp
another showing pics and descriptions
http://outdoorpowerinfo.com/repairs/briggs_pulsa-jet_horiz_adj.asp
heres one with non-adjustable jet and small well (only one pickup tube)
http://outdoorpowerinfo.com/repairs/briggs_pulsa-jet_horiz_fixed.asp
pulsa-jet carb frame by frame
http://www.compgoparts.com/technicalresources/briggscarburetors.asp
another showing pics and descriptions
http://outdoorpowerinfo.com/repairs/briggs_pulsa-jet_horiz_adj.asp
heres one with non-adjustable jet and small well (only one pickup tube)
http://outdoorpowerinfo.com/repairs/briggs_pulsa-jet_horiz_fixed.asp