We tried to crack these codes, but didn't get all the way through. It is interesting that you have a Firedome with a manual transmission - I guess that is the number 8. You might want to write to the Chrysler Historical Society to get your broadcast sheet. I posted photos of mine in the other thread.
Although my car is a paint code PPP (Holly Red), it always had the white spear, according to the son of the original owner. That may have something to do with the TRM code, but you can check it out on the other page.