Originally Posted by Tomguy

If you want a manual for the 4.5, you need to buy the m116/m117 service manual for 3.5 and 4.5 engines (not the later, 3.8/5.0 or 4.2/5.6 versions), or the one that covers all m116 and m117 engines. It is QUITE extensive and you'll see why it's not included in the other books, they'd be quite the thick novel! They pop up on eBay from time to time, but I haven't looked lately. Usually go for around $30-40.