wrote in
oups.com:

I would like to install a block heater for my Volvo MD7A diesel, to aid
with cold starting. Can anyone suggest who might make such a thing?


http://www.volvo.com/volvopenta/na/e...productionengi
nes/dieselengine/inboard/

I went to this webpage and looked up the MD7A. The specs talk about an
"automatic cold starting device". Does it have glowplugs? I never had
one. I wonder if your "automatic cold starting device" is working properly
or is even hooked up?

Silly me. I connected the Perkins 4-108 intake pre-heater up like it's
supposed to be and the old farm tractor engine cranks right up at 30F by
just touching the starter! I'd be afraid to turn it over with a wrench for
fear it would take off with that preheater working, now!