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post #1 of 8 (permalink) Old 01-03-2010, 10:55 PM Thread Starter
Join Date: May 2008
Location: Brampton, Ontario
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engine oil?

In a 2000 7.3l powerstroke, what engine oil should I be using in the winter. Here in the Toronto area it usually hovers between 0 - minus 10 celcius. But it can get colder. My manual says I should use 10W/30. can I use any 10/30 or does it have to be a certain type?
The reason I ask this is I changed my oil last week and put in some Castrol 10W/30, and this week my truck started knocking and ended up stalling on the road. The temp at the time was -15 celcius. The only thing that I've done differently is change the oil to the 10/30.
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post #2 of 8 (permalink) Old 01-03-2010, 11:45 PM
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Location: bonnyville alberta
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10w30 is recommended for year round use under normal service,as for the knocking and stalling does it idle rough,is it hard starting,what color is the exhaust plume?

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post #3 of 8 (permalink) Old 01-03-2010, 11:58 PM
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10/30 seems awful light for a diesel motor....? be like running it on water...? no ?

im going to be running 15/40 rotella......5/40 rotella would be a good substitute for winter use

im also the 6.0l not a 7.3l

2007 F350 6.0L Ext cab short box 4x4
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post #4 of 8 (permalink) Old 01-04-2010, 01:13 AM
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Location: Oakville, ON
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You should be using diesel specific oil in your 7.3.

I run 15W40 Rotella dino but may switch to 5W40 Rotella synthetic this winter as I have 320k km's on original injectors.

2001 F350 CC SWB 6spd....currently getting a complete 'makeover'. Stay tuned.
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post #5 of 8 (permalink) Old 01-04-2010, 03:16 PM
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My 2000 f550 with 7.3 I run 1540 in the summer and switch to 030 in the winter.I have 320 thousand km on it.

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post #6 of 8 (permalink) Old 01-04-2010, 08:45 PM
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esso 0w30 is pimp

You tried your best and you failed miserably. The lesson is 'never try'. -Homer Simpson
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post #7 of 8 (permalink) Old 07-16-2010, 09:43 AM
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Chevron Delo LT 15/40.

"Dont hit brick walls, They hurt"
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post #8 of 8 (permalink) Old 07-17-2010, 08:03 PM
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Rotella 15/40 every time
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