re-post: truck "ONLY" smokes on upgrade

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09-21-2014, 03:33 PM

stormy76

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re-post: truck "ONLY" smokes on upgrade

sorry, same post as before, just wanted to make clear that truck ONLY smokes on an up grade at low speed-4x4 low- , other wise performs normally. am keeping posts short, as am having problems posting.

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09-21-2014, 04:11 PM

Kiroshu

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Sounds like valve stem seals. Oil pools in cylinder head spilling onto valves upon incline. More that likely anyway. Assuming we are taking about tailpipe smoke..?