I used Slick 50, which is a GL-5 synthetic.  Is this bad?

Thanks,
Michael Townsend

>Hello,
>
>While I agree with switching to a GL4 rated synthetic, I would
>still recommend changing the gear oil every couple of years.
>
>-Todd Hill
> VolksWerks Transaxles
> Olympia, WA
> 360-412-0948