I'll probably get flamed for saying this, oh well.
The carbs came on the engine new in 2015. The engine has 1200 hours. I personally have flown the last 850 hours. I fly the plane a RV-12, 3-4 days a week with 2 people and a dog typically cruising at 132 mph. Using the fuel replaced method to measure, I get 4.3 GPH, 3.8 If I slow to 100. I feel if there were any issues with the engine or carbs my performance (I monitor it closely) would fluctuate. The carbs have never been "formally" overhauled. I replace parts as I notice wear. I use the mfg time line as a basis but not the bible. Carb balance is checked probably more often than necessary. I do subscribe to the "if it ain't broke don't fix it" ideology .... sorta.
