Tom Stone wrote:
> The original requester is from Illinois.  No way will his van start on a
> below zero degree morning with 20 W 50.  And if he tries, there is a real good
> chance he'll blow the oil cooler seal.  10 W 30 works well in winter.

I'll second this.  If you look at the charts, 20W50 has a "minimum
pumping point" of 15 degrees F.  Below that it's too thick to pump into
the engine properly.  I used to run 20W50 in the summer and 10W40 in the
winter in my aircooled bus.

--

David Brodbeck, N8SRE
'82 VW Diesel Westfalia
'94 Honda Civic Si -- For Sale
'86 Volvo 240DL wagon