Switching to 5w-20 from 5w-30 in older civic

Discussion in 'Civic' started by hondaman, May 13, 2006.

  1. hondaman

    hondaman Guest

    i was in walmart and noticed they have castrol gtx in 5w-20 grade so decided
    with this oil change in my old 1988 honda civic i'm using the newer grade.
    hopefully it won't cause any damage. i don't think it will and i think it's
    going to be an improvement. less strain on the crank shaft and pistons.
    anyone who has any knowledge about the newer oil please let me know. thanks.


    -jeff
     
    hondaman, May 13, 2006
    #1
  2. hondaman

    N.E.Ohio Bob Guest

    There is a difference, but you can't measure it. bob
     
    N.E.Ohio Bob, May 13, 2006
    #2
  3. hondaman

    Woody Guest

    The only thing it do for you is increase oil consumption. The viscosity was
    changed for new cars so they could post a slightly increase in corporate gas
    mileage. Stick with the viscosities your car recommends unless you need a
    heavier weight because of oil consumption....
     
    Woody, May 13, 2006
    #3
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