re: New truck spin-off, overhauling a GM motor.

quote:

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Very little I guess. I check and its down a little and only have to put a half of quart between changes and I change it about every 4k to 5k

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I agree with drunken, I wouldn't even give that little oil useage a second thought....sounds to me like you have a good bit of mileage left on that truck...

may be something like valve stem seals, which are changeable without even removing the heads from the engine...

fwiw, your comment about your next truck being your last has got me thinking a bit and I don't really like what I am coming up with...


ETA: to answer your original question, very few mechanics would actually rebuild an engine for you...it just takes too much time for the amount they can make from the job...

almost all would rather buy what it called a "short block" and install that for you...quality of these short blocks varies considerably from very good (dealership) to unacceptable (discount auto parts store)...look up short block prices if you want an indication of "materials" cost associated with a rebuild

That's normal, there's no such thing as an engine that doesn't burn a little oil over the course of an oil change interval. Half a quart in a V8 over 5000 miles is nothing to worry about and really good for a GM, especially if you are using non-synthetic 5w30. You can try switching to a 10w30 full syn if it really bugs you. Those engines rarely have issues with the shortblock, like the old 5.0 Fords your valve guides and seals will wear out before the pistons loose their seal by normal wear. Very easy pull the heads and freshen them up too.