I was amazed by the numbers myself. I averaged it out over 4 days going back and forth to St Paul MN for a car show. Mostly 2 lane driving, 45-50 mph and just taken it easy enjoying the ride. I also have a '47 F**d tudor that was along for the trips and it averaged 11. Its got a stock flathead and tuned properly. Bottom line in my book is the 216 is all its cracked up to being and then some.
Don
