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Tilikum Turbo Tilikum Turbo is offline
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Join Date: May 2010
Location: Los Angeles
Posts: 1,004
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Pressure(as in oil) is really a measure of flow, or rate of flow past a 2-dimensional point.

What your seeing at start-up and when running is the synthetic flows a bit better than the regular oil, however the modern syn's may not have the zinc/phos required for the earlier engines.

I run half syn/half regular(fully compatible to mix) of 20W-50 Castrol/5W-50 Castrol syn to get the perks of both oils, and never run anything but a factory oil filter.

I imagine in Vancouver you don't see the heat like So Cal or the Mid-West, so that's to a turbo's advantage.
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1983 911 3.3L Turbo(YES, I know the turbo badge is on the right...had to be different!)
1996 Toyota Corolla(der 'clapper')
Old 02-05-2014, 10:05 AM
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