Mark Tuovinen <mst@AK.NET> writes:

> Standard operating procedure in cold climates.  I can block my
> radiator in early October and leave it that way until May.  As noted
> it serves two purposes, to help the engine run properly and increase
> cabin heat.  Newer cars are less apt to need this but older vehicles,
> especially those with mechanical cooling fans(am I dating myself
> here?) benefit.  Many vans in my area have the radiators blocked for
> winter and heater hoses wrapped with insulation, any trick you can
> come up with for those subzero mornings.

Here's something I never understood -- if the thermostat is operating
properly, when the engine is cold no coolant is flowing to the radiator.
So what difference does it make if there's a piece of cardboard over it?

Allan
--
1991 Vanagon GL