im not sure on this, but i thought that the offy intake only went to the weber carbs, or to the holly 2 and 4 bbl... post up a pic of your intake. or a part number...
offy intakes can be found here, to know what carb fits them.
http://www.offyparts.com/index.php/cPath/1_25
this is the Intake I have Toyota: 1982-later 22R 2400cc Dual Port Stock 2 STG (6266DP)