The fans were slowly dying over time and I was ignoring the issue. It wasn't until the fan completely cut out in the system started watchdogging from the machine overheating when I decided that I needed to really get the system repaired so I can get my work done.
Pulled the old fans out put the new fans in. System runs great and is completely quite - no longer sounds like a Ford Model-T about to stall out (when the fans were on their last leg.)
There are a time of screws in the disassembly of the original MacBook Pro. Most of the screws are the same and interchangeable but there are a handful that are different. Use a piece of masking tape to hold them close to the chassis where you remove them so that you don't lose track of where each screw went. Also there's a couple of one off torx screws that I didn't catch in the photos that needed to be removed and for colorblind people the circles do make it difficult to find - if the circles were highlighted in yellow or gold to make them stand out more in the photos it would be greatly helpful.
MacBook Pro 15" (Model A1211, A1226, and A1260) Left Fan
MacBook Pro 15" (Model A1211, A1226, and A1260) Right Fan