Quote:
Originally Posted by OM617YOTA
This is another good point for mine, I've had smoke the entire time I've owned the engine. I would have thought swapping a different injection pump with different delivery valves in would have helped or at least changed things significantly, but with a used pump who's to say what condition all of that was in.
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It's important to note that there are a lot of other things besides DV's that will cause smoking. Low compression, injection timing, spray pattern, and of course the SOURCE of smoke are all important factors to consider. If you swapped the IP and had the same behavior, it's probably safe to say that the IP wasn't the source of problems. Used or not.
I'd be looking for oil consumption problems, worn turbo seals, or IP timing before blaming the DV's. It's very common for people to claim they have "grey" smoke when it is in fact "blue" from oil burning.