[Vwdiesel] Decoking pistons

[LBaird119 at aol.com]

In a message dated 10/7/2010 4:59:23 PM Pacific Daylight Time, 
mark at shepher.fsnet.co.uk writes:

> Still using multigrade, but will replace more often.
> 

  I always use multigrade and have never had any buildup problems.  It's 
a 15w/40 multigrade though.  Actually cleans more than it deposits and 
from what I've been able to find, all 15W/40 oils meet diesel spec and 
perform very similarly.
     Loren