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oil; Whats the best
Topic Started: Nov 14 2011, 12:34 AM (571 Views)
wildhair


Im sure this has been covered before, but I was wondering if a good synthetic 0w-20w or 0w-30w was a good idea
for the cold winter months.
I started my car the other day and it knocked a little until it warmed up. Kinda freeked me out. :(
The engine has been rebuilt, and has about 1000 miles on it, using conventional 5w-30w, and the temprature was around 20 degrees farenhiet. I know it will reach -30 before winter is over and thought a lower viscosity oil would be better suited.
Just wanted to run it by others who see the same type of tempratures as I do here in Idaho.
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wizard93
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Wow, that's some cold temperatures. Synthetic oils are generally less affected by temperature extremes. I would think a synthetic 5w-30 should be fine. I'm sure others will chime in on this relentless pursuit of petro perfection...
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Bad Bent
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Facetious Educated Donkey

:gp

If you can get the 0W30 that might be even better for a below 0F start up and a coolant or block heater would be a great idea IMHO. :-/
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Woodie
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0W-30 is a great idea for winter. If there had been such a thing when our cars were made I'm sure they would have recommended it. I personally think that a synthetic 0W-20 would work, but this is definitely outside recommendations, you're on your own if something blows.
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Tofuball
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Strange Mechanic

We're always on our own if something blows!
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bogs
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Duct tape heals all wounds

Tofuball
Nov 14 2011, 07:14 AM
We're always on our own if something blows!
No kidding, your driving a car well outside of warranty, buy a second crappier version of your model and experiment to your hearts content :lol
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Bad Bent
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Facetious Educated Donkey

It blows that you are on your own. :-/
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That's why we have GMF! :thumb
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thatguy383
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amatuer XFi collector
[ *  *  *  *  * ]
5w-20 synthetic blend is the best value for the money. It is made out of great base oil stock and has an excellent shear rate. All the benefits of a free flowing synthetic, but at half (or less) of the cost.
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Cobrajet25
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I have been running Mobil 0w-20 for awhile now. No explosions yet.
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Tofuball
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Strange Mechanic

I guess a good test is after 60K or more pop the engine open and check the wear patterns on oiled surfaces :)
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Old Man


Tofuball
Nov 15 2011, 06:43 AM
I guess a good test is after 60K or more pop the engine open and check the wear patterns on oiled surfaces :)
In that situation I would prefer to test by turning the key and driving off,. ;)
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wildhair


Thanks for all the posts
I tried mobile 1
0w-30w and the noise on cold starts below 20 deg has stopped,
The lifters seem to have stopped clattering also "bonus".
So far I'm impressed.
Seems the extra cost of a fully synthetic oil may pay off in thel ong run.
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