cold weather start
Post Fiend
Joined: May 2006
Posts: 10,007
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From: Central Florida
That would depend on how cold it is to start with. I doubt the heater is more than a couple hundred watts, your home water heater is 3000 or more watts (figuring dual 1500) so it might take a few hours to get gain 30 degrees.
Elder User
Joined: Oct 2004
Posts: 563
Likes: 3
3 hrs is usually the rule of thumb with block heaters. Assuming they are adequately sized for the motor. If your truck is plugged in for 3hrs and it still wont start (and the block heater is working correctly) its time to start looking at GP, GPR, gelled fuel....etc.
Senior User
Joined: Dec 2003
Posts: 410
Likes: 0
The heater on the 6.0 seems to be a lower wattage than the part used on the 7.3 motors- as well as in an inferior location. As a consequence, I have noticed that the 6.0 trucks require more plug time than the 7.3 trucks to be happy starters. The 7.3 start like summer days- the 6.0s start fine, but they don't thank you for it. I've been leaving the 6.0s plugged in all night when less than 10 degrees.
-m
-m
Posting Guru
Joined: May 2006
Posts: 1,028
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From: Edmonton, AB.
A couple of hour should do the trick. If it's working you should hear it start to hiss a little about 30 seconds after you plug it in. How cold are we talkin anyway? Hear last night -34C (-29F) and mine started no problem this morning at 5am. Have you switched over to lighter oil for the winter? I run 10W-30 during the winter months, some go to 5W-30, but I've found I'm ok with 10w30
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New User
Joined: Apr 2008
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From: orillia ontario
ive pluged it in, tow truck has tryed to boost it, iam going to go by a thing of diesel de gell, hopefully that works out, just wierd it has never gelled up on me before i use sunoco diesel tho for the first time
Posting Guru
Joined: May 2006
Posts: 1,028
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From: Edmonton, AB.
Do you think you got some bad fuel? Maybe you could get it in to a warm garage and thaw it out.