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Where to place magnetic heater #4621767
01/02/18 02:18 PM
01/02/18 02:18 PM
Joined: Oct 2005
Posts: 1,664
South Dakota
otis24 Offline OP
otis24  Offline OP
Joined: Oct 2005
Posts: 1,664
South Dakota
My truck has been sitting in subzero temps for over a week. I plan on getting a magnetic heater. Would it be best to place it on the oil pan or on the block? 1991 hevrolet K1500, 4.3 TBI V6.


1991 Chevrolet K1500 (4.3, 4x4, 86k miles)

2016 Dodge Grand Caravan
(3.6 V6) 46500 miles
Re: Where to place magnetic heater [Re: otis24] #4621783
01/02/18 02:33 PM
01/02/18 02:33 PM
Joined: Oct 2012
Posts: 2,167
Northern Ontario, Canada
Danno Offline
Danno  Offline
Joined: Oct 2012
Posts: 2,167
Northern Ontario, Canada
Oil pan, lowest part because heat rises. If the heater sticks down too much and might get clipped by snow or road debris, side of the pan as low as possible.


2016 Sorento SX V6 AWD
2015 KIA RIO SX
2010 Mazda 3 2.0L
2009 Venza V6 AWD
2013 Sonata 2.4L RIP in write-off crash
Re: Where to place magnetic heater [Re: otis24] #4621846
01/02/18 03:47 PM
01/02/18 03:47 PM
Joined: May 2012
Posts: 1,542
The land of USA-made Subies!
SubieRubyRoo Offline
SubieRubyRoo  Offline
Joined: May 2012
Posts: 1,542
The land of USA-made Subies!
They do make immersion heaters that stick down the dipstick tube but they would not have as much surface area.... but no need to remove the heater, just unplug and go.

Re: Where to place magnetic heater [Re: otis24] #4621858
01/02/18 04:01 PM
01/02/18 04:01 PM
Joined: Dec 2009
Posts: 25,588
Regina, Saskatchewan, Canada
Garak Offline
Garak  Offline
Joined: Dec 2009
Posts: 25,588
Regina, Saskatchewan, Canada
For me, when I use one, it's on the bottom part of the oil pan, and I just crawl under and pull it off before I go anywhere.


Plain, simple Garak.

2008 Infiniti G37 - Shell ROTELLA T6 Multi-Vehicle 5w-30, NAPA Gold 7356
1984 F-150 4.9L - Quaker State GB 10w-30, Wix 51515
Re: Where to place magnetic heater [Re: otis24] #4621895
01/02/18 04:36 PM
01/02/18 04:36 PM
Joined: Mar 2017
Posts: 5,724
...
PimTac Offline
PimTac  Offline
Joined: Mar 2017
Posts: 5,724
...
Most blocks today are aluminum. The oil pan is the correct answer assuming that it is steel.


2017 Mazda CX-5 GT.

Valvoline Modern Engine 0w20
Mobil 1 EP 108A
Re: Where to place magnetic heater [Re: otis24] #4621944
01/02/18 05:26 PM
01/02/18 05:26 PM
Joined: Nov 2015
Posts: 24
california
slowrench Offline
slowrench  Offline
Joined: Nov 2015
Posts: 24
california
Magnetic heaters don't transfer heat very well,and need to be on the bottom of oil pan to be effective. Silicone pan heaters are way better, with less watts,but need to be permanently mounted.

Re: Where to place magnetic heater [Re: otis24] #4621986
01/02/18 06:11 PM
01/02/18 06:11 PM
Joined: Oct 2006
Posts: 1,652
Oshawa, Ont. Canada
irv Offline
irv  Offline
Joined: Oct 2006
Posts: 1,652
Oshawa, Ont. Canada
Would not just installing a permanent block heater via a frost plug be the best option?

I have no idea, personally, but it seem like that would be the best solution, and I honestly don't think it we be that expensive, would it?

I am disappointed my wife's new Impala didn't come with one so I am going to look into it further to see if it's a reasonable possibility to get one installed?

Her last Olds Intrigue had one as does my 13 Ram. It is just something I am use to having on my vehicles.


2017 Chevy Impala 3.6 L.
2013 Ram 5.7 L Hemi Bighorn QC 4x4
2008 Chevy Malibu 2.4 L Ecotec
Pennzoil Platinum and/or Pennzoil Ultra Platinum for all 3.
Re: Where to place magnetic heater [Re: otis24] #4622005
01/02/18 06:25 PM
01/02/18 06:25 PM
Joined: Nov 2011
Posts: 1,102
Lyndhurst NJ
Audios Offline
Audios  Offline
Joined: Nov 2011
Posts: 1,102
Lyndhurst NJ
For this application id say lowest point on the block possible. I just found one on amazon for my exterior heating oil tank, 200 watts did a good job of getting the temp up a few degrees, so after a few hours itll definitely work well on your engine.


2002 VW Golf TDI-Mobil 1 5/40 TDT
2007 Mercedes GL320 CDI Fuchs 5/40 GT Pro XTL
2005 BMW M3 BMW Twin Power 10/60
2003 BMW M5-Fuchs 5/40
1998 BMW M3/4/5 Fuchs 5/40
Re: Where to place magnetic heater [Re: slowrench] #4622177
01/02/18 09:13 PM
01/02/18 09:13 PM
Joined: Dec 2016
Posts: 6,409
Waco, TX
Linctex Online content
Linctex  Online Content
Joined: Dec 2016
Posts: 6,409
Waco, TX
Originally Posted By: slowrench
Magnetic heaters don't transfer heat very well,


That has always been my #1 gripe with them as well.

Almost no one has an oil pan that is perfectly flat!


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: Where to place magnetic heater [Re: otis24] #4622278
01/02/18 10:50 PM
01/02/18 10:50 PM
Joined: Sep 2014
Posts: 2,124
US-WA
Dyusik Offline
Dyusik  Offline
Joined: Sep 2014
Posts: 2,124
US-WA
I would slap it on right below the pick up tube. For heat transfer, get a 5 dollar tube of arctic silver from any computer supply place, newegg comes to mind.


95 Cherokee 190K DELO 10W30, XG8
07 IS250 100K Napa 10w30, FULL
04 YZF-R1 19K DELO 15w40, XG7317
99 HD XL1200S 20K VR1 20w50, NG1515
14 RX450h 33k PP MIX, NG7047
Re: Where to place magnetic heater [Re: irv] #4622293
01/02/18 11:10 PM
01/02/18 11:10 PM
Joined: Nov 2011
Posts: 4,882
MTL, CANADA
Rolla07 Offline
Rolla07  Offline
Joined: Nov 2011
Posts: 4,882
MTL, CANADA
Originally Posted By: irv
Would not just installing a permanent block heater via a frost plug be the best option?

I have no idea, personally, but it seem like that would be the best solution, and I honestly don't think it we be that expensive, would it?

I am disappointed my wife's new Impala didn't come with one so I am going to look into it further to see if it's a reasonable possibility to get one installed?

Her last Olds Intrigue had one as does my 13 Ram. It is just something I am use to having on my vehicles.


This.

I bought a block heater for about 55$ and installed myself in under an hour. Works great.


2007 Corolla Red Pearl 155k miles
PP 0w20 & ST 4967

Re: Where to place magnetic heater [Re: otis24] #4622313
01/02/18 11:41 PM
01/02/18 11:41 PM
Joined: Apr 2004
Posts: 439
ON, Canada
yugrus Offline
yugrus  Offline
Joined: Apr 2004
Posts: 439
ON, Canada
Block heater does not warm up engine oil though.


'14 Chevrolet Tahoe
'15 Mazda CX-5
Re: Where to place magnetic heater [Re: yugrus] #4623062
01/03/18 08:06 PM
01/03/18 08:06 PM
Joined: Oct 2006
Posts: 1,652
Oshawa, Ont. Canada
irv Offline
irv  Offline
Joined: Oct 2006
Posts: 1,652
Oshawa, Ont. Canada
Originally Posted By: yugrus
Block heater does not warm up engine oil though.


Just curious here about what is better, warm oil spilling over an ice cold engine block or colder oil spilling over a warm block? shrug

My take is, and I could be wrong, but if you have the right type/weight of oil, IE:, 0W or 5W, then my thought is it is much better for that cold oil to be spilling over a warm engine block than it is warm oil to be spilling over an ice cold engine block.
I would assume, and I could be wrong again, that the warm oil spilling over an ice cold engine block will turn the oil cold rather quickly, or quicker than, comparatively, the cold oil spilling over a warm engine block.

Thoughts?


2017 Chevy Impala 3.6 L.
2013 Ram 5.7 L Hemi Bighorn QC 4x4
2008 Chevy Malibu 2.4 L Ecotec
Pennzoil Platinum and/or Pennzoil Ultra Platinum for all 3.
Re: Where to place magnetic heater [Re: otis24] #4623076
01/03/18 08:19 PM
01/03/18 08:19 PM
Joined: Apr 2004
Posts: 439
ON, Canada
yugrus Offline
yugrus  Offline
Joined: Apr 2004
Posts: 439
ON, Canada
Thermodynamically it should be the same within first moments after start-up. However, warm oil will be picked up by the pump and initially flow better then cold, regardless of its grade.
If the battery is bad, it will spin the engine with ease.

Last edited by yugrus; 01/03/18 08:20 PM.

'14 Chevrolet Tahoe
'15 Mazda CX-5
Re: Where to place magnetic heater [Re: yugrus] #4623092
01/03/18 08:38 PM
01/03/18 08:38 PM
Joined: Oct 2006
Posts: 1,652
Oshawa, Ont. Canada
irv Offline
irv  Offline
Joined: Oct 2006
Posts: 1,652
Oshawa, Ont. Canada
Originally Posted By: yugrus
Thermodynamically it should be the same within first moments after start-up. However, warm oil will be picked up by the pump and initially flow better then cold, regardless of its grade.
If the battery is bad, it will spin the engine with ease.


I agree with that but if you are using a 0W or 5W oil that flows quite well in the temps we are currently seeing, then flow shouldn't be a problem and therefore should be relatively easy to pump.

I can't help but think, that somewhat warm oil will chill/cool rather quickly, slowing it's progress down, when it hits that ice cold engine block compared to chilled/cool oil hitting a warm engine block.
It would take far more than a bit of oil to take the heat out of the block than it would be for the block to take the heat out of the oil, imo.

Not disputing an oil pan warmer,(just how hot do those things get?) I just happen to think a block heater would be the better choice, is all.


2017 Chevy Impala 3.6 L.
2013 Ram 5.7 L Hemi Bighorn QC 4x4
2008 Chevy Malibu 2.4 L Ecotec
Pennzoil Platinum and/or Pennzoil Ultra Platinum for all 3.
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