Quote:
Originally Posted by Graplr
Really? I've never had a lower radiator heater but I really haven't noticed faster heat in the cab using any block heater I've had. It helps with starts but it is not like the coolant ever gets close to operating temperature. I was never scientific about it but it always seemed to me to be no difference in getting heat in the cab. Now the Webasto's, that is a different story.
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That's interesting. On my 77 300d, you could hear the block heater boiling the coolant--it sizzled--and the vents would produce warm air immediately. Not fully hot, but warm. The temperature gauge would jump up once I turned the key on. It doesn't do that with a lower radiator hose heater.