Thank you all!!! I lowered the tension by .4 and it worked like a dream! I just did a quick test and was able to finish the FMQ on the block I was working on with no more thread breaks.
Previously it would end up breaking every 5" to 8", depending on when I changed direction. The "S" in the thread when sewing away from me makes a lot of sense and does seem like it would add to the tension on the thread and could result in a break. Just for good measure I'm trying to be conscious of slowing down on the stitching that is away from me. I also agree with Knitette's comment that Sulky seems to be a bit softer than other thread and more prone to breakage, but I really liked this blendable with the fabric I'm using.
This is one of the many reasons I love this board; everyone is always so willing to help out with ideas! Now I can look forward to sitting down later and working on this project.