Honda Car Forum

#1 (**permalink**) 12 May 2006, 09:53 pm

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

#2 (**permalink**) 13 May 2006, 06:48 am

hondaman wrote:
> 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
>
>

There is a difference, but you can't measure it. bob

#3 (**permalink**) 13 May 2006, 10:34 am

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....

"hondaman" <jeffscomp@hotmail.com> wrote in message
news:_Sb9g.86264$dW3.792@newssvr21.news.prodigy.co m...
>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
>

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