It's now been two years since I flushed my '88 Westy's coolant and
put in new Prestone LongLife 5 year coolant (Phosphate/Silicate
free), which is orange in colour. A very slight drop in levels (about
3/4" in the tank) has been traced to a leaky rear heater core, so I
think it has keep the head gaskets in good shape. I've only driven
about 15-20k km in this time however, so ymmv.

I was thinking of flushing it out due to age (it claims 5 years, but...)
and wondered if any new revelations about coolant had surfaced
since I was last active on the list about 2 years ago. Specifically,
anything good/bad about Prestone LongLife, or Prestone LowTox
coolants?

Shawn Wright, I.T. Manager
Shawnigan Lake School
swright@SLS.bc.ca
http://Zuiko.sls.bc.ca/swright
http://www.sls.bc.ca