More power = less longevity. That having been said a cummins making 400hp is going to last alot longer than anything else making 400hp. 
Dave

Dave
Originally posted by CFast
Ok, I've been converted. I need to BOMb my truck.It needs to go 300,000 miles though, right now it's got 135,000. Nothing major. right now it's the 235hp, so another 100hp would be ok, right? Wife is gonna kill me.
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