They do work well.

Then there’s the method we used with the ’47 Cockshutt 30 … set a shallow pan of used engine oil underneath and set it ablaze ;-)

> On 03-Jan-2016, at 21:10, Ian Allan <ian.allan@BMTS.COM> wrote:
> 
> NAPA UAP still lists part number CSA512 in Canada which is a 250 watt bolt on heater for both the 1.8 and 2.1 engines. Effective. I have used them. Great fit.
> 
> Ian
> 
> 
> On 01-03-2016, at 12:38 PM, Automatic digest processor <LISTSERV@GERRY.VANAGON.COM> wrote:
> 
>> Warming the oil in cold weather? Other options.