Engine Heater Advice
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Engine Heater Advice
I am going to install a tank type engine heater on the 360 in my '67 F350; it's a Kat's #13150, 1500 Watt. In the diagram below I have shown how I am thinking of plumbing it.
I think the way I have it routed will first heat the carb spacer, then pass through the heater core (giving a bit of convection defrost as it does) and then back through the intake and down through the heads and engine block. The heater turns on at 135 degrees and off at 175 degrees, so it should not get hot enough to open the thermostat and waste heat via the radiator. I'll be powering it through a timer to save electricity. Our KWhr rate is <8 cents, so if I powered it for 4 hours it would cost less than 36 cents.
I have already revised the routing a several times, and I would appreciate any suggestions or questions that will help me make this work the best.
I think the way I have it routed will first heat the carb spacer, then pass through the heater core (giving a bit of convection defrost as it does) and then back through the intake and down through the heads and engine block. The heater turns on at 135 degrees and off at 175 degrees, so it should not get hot enough to open the thermostat and waste heat via the radiator. I'll be powering it through a timer to save electricity. Our KWhr rate is <8 cents, so if I powered it for 4 hours it would cost less than 36 cents.
I have already revised the routing a several times, and I would appreciate any suggestions or questions that will help me make this work the best.
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Junior User
Joined: May 2013
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"It got down to -48 yesterday." Ah, The Great Frozen North
I got a good deal on the Kat's tank heater and like the way it will flow through the heater core to pre-warm the windshield.
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Joined: Feb 2011
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From: Townsend, MT
A 500w tank heater will get an engine much hotter, much faster than a 750w soft plug heater.
Lead Driver
Joined: Jan 2003
Posts: 9,893
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From: Ohio
I used to run a Katz heater way back on my '70 F100 with 302. If I recall you tapped into the lower most pipe plug in the bottom of the block and put a fitting to install a hose. It would pull water from the bottom of the block, through the heating element, into the heater and back into the water pump. Worked well, was thermostat controlled too so you just plugged it in when you got home and the truck was at least 100* water temp in the morning.
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ford390gashog
FE & FT Big Block V8 (332, 352, 360, 390, 406, 410, 427, 428)
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Nov 22, 2004 06:34 PM
