I switched to fully synthetic in several WBX engines with 124k, 165k  
and 90k miles. I use 15w50 Mobil, which has been working out quite well.

Chris.

Wysłane z iPhone'a

Dnia Apr 13, 2011 o godz. 18:17 Phil <mypactor@PACBELL.NET> napisał(a):

> I have an '89 Wolfie with 73,000 miles on it.  Would there be a  
> problem if I
> used, say, Mobil 1?
>
>
>
> I use Castrol 20-50 in it now and have had no problems
>
>
>
> Thanks, Phil in Bakersfield, CA