Quote:
Originally Posted by blown871
.. if the 'book said'..... "Jump off a bridge"... would you?
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You are correct!!!
Oil pressure is affected by the pump and the pressure relief spring more than the "brand" and viscosity...
If you do your homework, really, and study hot temp viscosity... the difference is miniscule for the daily driver.
Water could be used as a lubricant except that it freezes and boils...tisk, tisk on the vis!