I waited for a few tanks before posting this in hopes that It would get better but here it goes. I bought a new Smarty sr pod in replacement for my Predator. I set it on sw5 and drove my normal routes and same driving conditions. When I had my Predator set on perf/economy (100 hp) I was seeing 18.2-18.6 mpg's. The Smarty has run 15.5 and 15.2 mpg's on the last 2 tanks. The Predator definately produced alot more power across all rpm levels but I just did not trust the bad idle and really bad timing rattle. Has anyone else had a similar experiance with their Smarty? I like the way the truck runs with the Smarty but was just suprised at the mpg/power loss.