To Cobra29 and LMH, thanks a bunch for the kind comments about my kit. One thing I need to clear up though is my tips and experience is only from fiddling with different versions of FE valve covers, not from ALL KINDS of valve covers. I have never been able to figure out how to adapt FE covers to Cleveland engines, Ford 429-460 motors or Chevy engines (GASP Blasphemy). The footprint of the Cleveland valve cover is too large to fit the FE covers without problem and there aren't enough Chevy motors in Cobras to justify producing a kit for that application.
If anyone wants to purchase a kit, they are available directly from me or, if you prefer, through Mark Reynolds at Breeze Motors or Mike Forte at Forte's Parts Connection. The price is the same from all three sources. The link below will take you to the Product Page. There is a Mail Link at the bottom of the page for any questions.