Originally posted by Derk2000:

Also, what would new heads do for reliability?


Derek, if I were going to pull the heads and mod them I would look into the 6 oil return (instead of 4) 2.5 heads (2002+??) I think David Z first mentioned this. If confirmed a 6 oil return head may mean less oil pooling in head = less oil starvation. Anybody have info on this?

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