I bought an 08 6.4 a few months ago. I have been trolling forums and talking to a couple reputable builders aroind me and it seems like rocker failure os the biggest concern. I have no reason to believe mine are bad. The truck runs great. But, out of paranoia I am looking to get them done now before it becomes a major issue. I got 2 quotes. One guy says I need to do rockers, pushrods and lifters. Gave me a quote of $5,700 for the above as well as head studs. Is he right? Do i really need to be worried about pushrods and lifters? or just do the rockers and rest easy? Another guy gave me a quote of $1500 for just the rockers and says its all i need to do. Also (sorry such a long thread), but both of these guys say to ditch my spartab because it is destroying my tranny. Both suggested H&S. But now H&S is unavailable due to the EPA bastards. Opinions on tunes? This is the first NICE truck i have owned and I need it to last....Thanks for the help.
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