anyways looks like you have this
http://www.holley.com/HiOctn/ProdLin...SNS/Ford3.html
and here is the pill chart
http://www.holley.com/HiOctn/TechSer.../NOSTech4.html
its kind of fuzzy which is which on that site but its either an
18/18 you need to run or a 47/53
take the jets out you have now and take a look at the sizes...you shoudl be able to determine which you need from those jets