Quote:
Originally Posted by Dubyagee
Good deal. A 5.7 is not more efficient as the architecture is the same. More displacement takes more fuel to do the same motions as the 5. I would get the valve guide seals changed as they the smoke is robbing power and hurting your new cat.
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This thing weighs about 6000 pounds and the 5.0 does push it around pretty well. No need to be greedy. If if I had Jay Leno’s garage and money I might put in one of those Chevy diesel’s I’ve heard about it, not the 6.2, I forget what it’s called, but I’ve heard incredible stories about them.