All I can say is "awesome". This is the 1st truck that I have owned and I don't regret it at all. I've never had a 325 5.3 v8 before and I love it. It has sweet gas mileage for a v8. I can go 470 miles on a full tank of 93 octane. Horsepower, oh my God, it's unreal. It has the power of a 400 c.i. v8. I truly love this motor. Thank you GM for this V8.