Quote:
Originally Posted by Hatterasguy
Placibo affect. Our IP's are lubed by engine oil, so I don't see what would benifit. The injectors certianly don't care, nore does the lift pump.
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The parts of the pump that are immersed in diesel fuel can't be lubed by the engine oil. They are also the very parts that raise the fuel pressure all those bar for the injectors and therefore have very close tolerances.