I just started on this particular thread, but finding an open rear in a 390 Jav could be the fact that the posi was yanked for some reason and the open put in. My 65 American never came with the posi 20 but it has it now, verse visa may apply for the Jav....Russ __________________________________ Do you Yahoo!? All your favorites on one personal page ? Try My Yahoo! http://my.yahoo.com