You should post this in Tech Support and Help, as there's a lot more people that visit there than here, plus the Pentastar is in a whole lot of vehicles now so there's probably more sources.
Besides that, they don't sell Factory Service Manuals any more? That's what I'd do. The book is generally pricey but worth it.
Besides that, they don't sell Factory Service Manuals any more? That's what I'd do. The book is generally pricey but worth it.