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The thing that concerns me about your situation is that not only
is your oil pressure low - but the oil temp is high. That certainly
conveys to me a diminished oil flow not simply just a lower pressure.
John, if I'm not
mistaken, didn't you add the EM-2 while waiting for the new turbo? In
other words, this is the first time you've really run the engine hard since
having the EM-2? Since your temps are much higher than before, I would
submit that it's likely that either you're previous temp readings were wrong, or
your current ones are, particularly in regard to "negative" oil pressures.
I think you need to be very sure you're EM-2 is calibrated, and not by just
matching one number to a gauge. Check a low, mid, and high level to make
sure the EM-2 is correctly calibrated.
Also, didn't you fall
for the old Mazda practical joke of using the rear housing water temp sensor for
oil temp? Was that just changed while waiting for the new turbo? If
so, all bets are off as to what he temp used to be.
Cheers,
Rusty (anyone got a
spare O-320)
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