Right on...dusturbd340W5. I am just learning to fly, so you may know more than I do I bet. I have only logged 4.5 hours in the air so far, so I am really "green"

I believe you guys who have used it and have found no difference between it and race fuel. I can't say I have used both back to back to say for sure one way or another.
I do know 100LL is currently at $5.24 gallon around here which is 2.45 cents cheaper than 110 Sunoco leaded.

Thumper I believe a lot guys rent planes and don't own them. I'd call local fuel/oil company's in your area, that who sells race fuel around here.