Haynes and Chilton's are the biggest joke on the planet... I don't know where they get their information from, but I tossed my manual for my 86 merq when they tried to tell me a 4.6 was an option in 87. Um, FAIL...
I just found the newest line for my signature!
Found a wrecked LS with a 5.7L V8. Here's the link: http://chicago.craigslist.org/wcl/pts/1122780404.html
Email him and compliment his stupidity...