welcome to the site bruce and enjoy the mental overload from the site ... it will keep you and your new truck happy and out of the dealer, i am also a six speed manual guy and it makes a difference how you use this thing ,they are right run it hard and keep the exhaust brake on ,dont idle a lot , change oil and filters when due and you'll be like the rest of us ...smiling ear to ear with every gear change.best of luck !! steve.