Thread: block heater

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  1. #1 block heater 
    GTX Level Member tod1d's Avatar
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    At what temperature does a block heater need to be used?

    2007 Pontiac Grand Prix
    http://www.cardomain.com/ride/2990036
    L26, CAI, HV3, ER Rockers, PLOG, Overkill Tune, flipped dog bones
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  2. #2 Re: block heater 
    DUI BABY Bio248's Avatar
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    ...never?

    i live in wisconsin and it's cold as crap outside. my car starts up and runs fine everytime.
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  3. #3 Re: block heater 
    The mod from over yonder TheOtherNick's Avatar
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    It really depends on the car. My jeep never liked to start in the winter. The GTP has no problems. Having a heater can never hurt. It will heat up the oil and let it flow better on start up. It will also help your car warm up faster. The gains are minimal tho, there really is no need for one, but if you allready have one you might as well use it. I would say use it when the temp is below 30 if you have one.
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  4. #4 Re: block heater 
    GrandPrix Junkie Sabrewings's Avatar
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    My car has started fine all the way down to 9* F. No block heater. I have no doubt it would do fine even colder.
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  5. #5 Re: block heater 
    GTX Level Member tod1d's Avatar
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    someone mentioned there is a sensor on all new GM's that prevents the block heater from working until its -18c or colder

    2007 Pontiac Grand Prix
    http://www.cardomain.com/ride/2990036
    L26, CAI, HV3, ER Rockers, PLOG, Overkill Tune, flipped dog bones
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  6. #6 Re: block heater 
    youtu.be/xhrBDcQq2DM FoSHO99's Avatar
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    These aren't diesels.
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  7. #7 Re: block heater 
    GTX Level Member tod1d's Avatar
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    why do diesels have such a hard time starting in the cold?

    2007 Pontiac Grand Prix
    http://www.cardomain.com/ride/2990036
    L26, CAI, HV3, ER Rockers, PLOG, Overkill Tune, flipped dog bones
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  8. #8 Re: block heater 
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    The colder it gets, the thicker diesel gets. And eventually it just solidifies into a lovely gel. Gel over your diesel, you fail.
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