Paul Lamar wrote:

I have been using Mobile One 15-50 in the cars and the guy said a possible
reason for my oil pressure to take 30 seconds or so to come up ironically is;
the oil is too viscous at 65 degrees F!

What an idiot!  At twenty below I have full oil pressure in my cars in about 5 seconds, this with mobil 15-50.

When seeing one G or more in a racing car turn the stock Mazda rotary
oil pump is going to have a harder time of it as the pickup tube goes
off at a lateral angle. A dry sump system would work better IMHO.

Coming with the RX-8.
Hans Conser 

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