"Andy Dingley" wrote in message
...
On Fri, 21 Jan 2005 22:31:34 -0000, "IMM" wrote:

If you want to prolong the life of your engine and g/box use "fully"
synthetic oils, not diesel fuel

Unless your engine is 30 years old, in which case synthetic oils will
**** out past every oil seal and cork gasket they can find.


You would also have had to flush every last drop of non synthetic oil out of
the engine for there to be any benefit if the oil did manage to stay within
the engine.