OutdoorKing Repair Forum Forums Repairs and Maintenance Questions on Engines Questions On Briggs & Stratton Engines another "this may seem like a silly Q"

Thanks Joe, so Quantum means gravity fuel feed rather than gravity fuel feed and internal governor?

I guess it's possible that the early exception you had (Quantum with air vane) was due to teething problems with the internal governor, so they made an unknown number of hybrids while they got their act together.