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I swapped from a cheap $20 parts washer pump to a Graymills and the difference in cleaning power was like night and day.
After three months of fighting with the cheap one clogging on every other job, the Graymills unit blasted through a caked-up set of injectors from a 6.7 Powerstroke in under ten minutes, so what's your go-to for cleaning really nasty parts?
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beth_hunt1mo ago
Why not just soak the worst gunk first with a good solvent?
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blair_davis501mo ago
Soaking helps, but doesn't a good pump just cut through that waiting time? My experience is that a weak pump leaves too much junk behind even after a soak, so you're just moving sludge around. A strong flow seems to lift the gunk off instead of just wetting it. That's why I'd rather invest in the pump first and skip the extra step.
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