5W40 - only available as a synthetic?

Discussion in 'General Motoring' started by swingman, Jul 15, 2004.

  1. swingman

    swingman Guest

    Is 5W40 a synthetic only viscosity, or is it available in a more affordable "dino" blend?
     
    swingman, Jul 15, 2004
    #1
  2. swingman

    me Guest

    Seems I used to buy Castrol in that variety. I lived in Phoenix, and
    had an '83 Datsun Turbo ZX. High heat, and the way the turbo was lubed,
    made me want the MAXIMUM protection. Was advised by the Nissan dealer
    that synth lubes were OK for the turbo, BUT if car was a bit older, it
    might develop leaks.
     
    me, Jul 16, 2004
    #2
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