hemismith wrote:
Yeah, you're not the first that's said that, and I agree that these engines are designed to rev. But as you mentioned it's about duty cycle; I'm not so much interested in brief acceleration but rather constant output for hill climbing. I've often had to drop to 2nd and rev to 4500 rpm to maintain a reasonable speed (50-55) for extended periods of time. Not only is that not comfortable, but I think that has to have an effect on the longevity of the engine.
I don't see high revving on occasion as having a significant impact on longevity. Say you normally cruise at 60 mph at 2000 rpm and you're comfortable with that. Now you have to pop it up to 4500 rpm for 10 minutes to climb a hill. That's an extra 2500 rpm for 10 minutes or 25,000 revolutions of the engine. 25,000 revolutions would normally carry you 12.5 miles at your normal driving speed. So you could consider that hill climb cost you a dozen miles worth of engine life. Big deal.
My 2000 V-10 would really sing on the hills. But when I traded it at 185,000 miles it still felt as peppy as the day I bought it.