If indeed Ford Honey is really repackaged Castrol SMX-S, I found a little about it. Please note that this web site is for Castrol Korea. I also found some UK posts about Castrol SMX-S, where it is highly regarded.

http://www.castrol.com/castrol/productdetailmin.do?categoryId=82914056&contentId=7000414


Jim Johnson 98 SVT 03 Escape Limited