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  #16  
Old 01-24-2013, 05:43 PM
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A group 49 battery should function perfectly fine at 5 degrees, especially if the engine has synthetic oil. I've started my TD at 35 below zero F with no block heater.
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  #17  
Old 01-24-2013, 06:34 PM
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Answer

Quote:
Originally Posted by yuke View Post
I was wondering if a dipstick oil pan heater would work in my 85 (300 SD).
I already have a lower radiator hose heater but does not heat the block like I would like it to and was thinking maybe a dipstick heater of the oil would be better but when I pulled my dipstick out to measure it which was 22" and tried to put a rod that was about 1/4" diam. in to see how far till it would bottom out I could not get the rod in more then about 3" and it stopped.

I was puzzled because it looks like the dipstick tube is about 1/2"diam. down to the pan do not know why the 1/4" rod would not go down might check with a thinner wire later.
I ask this because the sites where they sell the dipstick heater say you need a 1/2" opening to get them in. Is anyone using a dipstick heater on a Benz if so how do they work?
Yes, the dipstick oil heaters do work.
Yes, the dipstick oil heaters will fit your dipstick tube.
Yes, a dipstick oil heater is very flexible to make the turns and reach the oil pan.

FYI:
* I have two of the dipstick oil heaters, have owned/used up hundreds.
* I have one hose heater, have owned/used up hundreds.
* I have three of the magnetic heaters, have owned/used up hundreds.
* All of my personal vehicles have a factory block heater installed, and prefer them as most cost effective for me.

All of them work, going from best to least effective:
#1. Keep the vehicle in a heated garage.
#2. Keep the vehicle in an insulated garage.
#3. Keep the vehicle in a garage.
#4. A diesel fueled hydronic heater. Expect $1,650.00 USD for their low cost unit installed.
#5. A factory block heater.
#6. A hose heater.
#7. Oil pan Heater Hot Pad.
#8. Magnetic heaters.
#9. Dipstick oil heaters.

https://www.google.com/search?q=engine+block+heater&oe=utf-8&aq=t&rls=org.mozilla:en-USfficial&client=firefox-a&um=1&ie=UTF-8&hl=en&tbm=isch&source=og&sa=N&tab=wi&ei=l8QBUeH-GcONygGPk4DYCw&biw=1280&bih=883&sei=nMQBUZzHOemkyQGr9YCwDQ

http://www.peachparts.com/shopforum/diesel-discussion/85227-engine-heater-ideas.html

.
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  #18  
Old 01-24-2013, 09:18 PM
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Quote:
Originally Posted by whunter View Post
#4. A diesel fueled hydronic heater. Expect $1,650.00 USD for their low cost unit installed.
OR...you could get lucky as heck and buy two Webasto's off of Craigslist shipped to my door for $120 and install it yourself.

One is in my 6.5 and the other (a petrol version) is sitting on the shelf. I also had one on my 84 SD that I sold with it when I sold it (worked out a deal with the buyer). That one was brand new (NOS). I bought it off eBay for about $450. The deals are out there.
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  #19  
Old 01-24-2013, 09:32 PM
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We have a similar model on the I6 John Deere. Does the job even with a fully exposed motor
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  #20  
Old 01-24-2013, 09:53 PM
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I use a hot pad on the bottom of the pan (150watt) and lower hose heater on my 300SD.

The 190d has an engine block heater which works fantastic, I have heat within 20 seconds of starting the engine even when its 10F out.
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  #21  
Old 01-24-2013, 11:51 PM
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Quote:
Originally Posted by kerry View Post
A group 49 battery should function perfectly fine at 5 degrees, especially if the engine has synthetic oil. I've started my TD at 35 below zero F with no block heater.
... wow. that's cold! how is it POSSIBLE to start a diesel at those temps?
I simply cannot imagine it. no heater at all? nothing on the fuel tank?
JUST GLOW PLUGS? was the fuel mixed with nitroglycerin?
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  #22  
Old 01-25-2013, 06:19 AM
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For what we get here in indiana which is on occasion down to 20 below, a block heater is the most reliable for the money. At 20 below though everything has to be in great shape to start even with the block heater.
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..I also have a 427 Cobra replica with an aluminum chassis.
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  #23  
Old 01-25-2013, 08:37 PM
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Hmm

Quote:
Originally Posted by Graplr View Post
OR...you could get lucky as heck and buy two Webasto's off of Craigslist shipped to my door for $120 and install it yourself.

One is in my 6.5 and the other (a petrol version) is sitting on the shelf. I also had one on my 84 SD that I sold with it when I sold it (worked out a deal with the buyer). That one was brand new (NOS). I bought it off eBay for about $450. The deals are out there.
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Prototype R&D/testing:
Thermal & Aerodynamic System Engineering (TASE) Senior vehicle instrumentation technician.
Noise Vibration and Harshness (NVH).
Dynamometer.
Heat exchanger durability.
HV-A/C Climate Control.
Prototype Vehicle build.
Prototype Fleet Durability
Prototype vehicle instrumentation.
Technical Quality Auditor.
Automotive Technical Writer

1973 300D
1973 309D - stolen
1978 280SE
1980 240D
1983 300D
1984 190D
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