5w 30 Switch To 10w 30 - Taurus Car Club of America : Ford Taurus Forum
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post #1 of 19 (permalink) Old 05-01-2004, 09:56 AM Thread Starter
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I have always ran mobile 5w 30 in my car. It has come the time when I need to change my oil again. I went to walmart and bought some cheap walmart brand 10w 30. I figuared the car is getting old and its pretty much on its death bed and with the summers heat I might as well use 10w for added protection. Am I alright to run 10w in the taurus after years of only running 5w? I am pretty sure I am but I am just looking for some reassurance. Thanks
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post #2 of 19 (permalink) Old 05-01-2004, 10:11 AM
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I doubt its going to affect anything. My Wal-Mart has Supertech Synthetic... 10 bucks for 5 quarts, cheap but probably better than the regular dino. oil...Most people usually step up and down over seasons with there oil. The worst you could do is cause a small leak somewhere but from they way you describe it you're probably already leaking.

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1998 Volvo V70 AWD 196,000 (project)
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1993 Isuzu Trooper (junked)
1992 Ford Tempo GL (sold)
1992 Subaru Loyale (sold/junked)
1994 Toyota Camry LE (sold)
1996 Ford Taurus GL (junked)
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post #3 of 19 (permalink) Old 05-01-2004, 10:52 AM
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I always use 10W30 in the Summer months, & 5W30 in the winter. I also only use a Full Synth. oil, like Mobil 1, Castrol Syntech, Etc, etc, etc. I know it's an ol' school way of thinking... but I've got over 80K. on my 98 SE Bull, & I ain't taking ANY chances!!! It also seems to run cooler, smoother, & quieter.



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post #4 of 19 (permalink) Old 05-01-2004, 11:08 AM Thread Starter
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Yea its just regular supertech oil, I will just go for it. I dont see it hurting anything. Plus my power steering is going to go soon, its been squeeling bad and the trans is junked once again. So in the 10w goes. Thanks
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post #5 of 19 (permalink) Old 05-01-2004, 12:36 PM Thread Starter
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I put the 10w in, sounds louder then I am used to but oh well.
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post #6 of 19 (permalink) Old 05-02-2004, 01:31 PM
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It's not going to HELP you any, but it WILL hurt your motor. The first # should be as LOW as possible to ensure proper protection on cold starting. Remember, the first # is for the weight of it when it is cold. The lower the #, the faster it can flow to your motor to help protect it. More than 50% of engine wear occurs on start-up.

Once the oil has warmed up, the higher # comes into account. You want a high one to coat the engine better, but the first # does not need to be high at all. 10W-30 will actually kill your motor sooner. Go to something really heavy like maybe 20W-50 if you need protection. Still, I think 5W-30 is a great weight for any Taurus motor.

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post #7 of 19 (permalink) Old 05-02-2004, 02:44 PM
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Why would you switch? The engine seals are specifically designed to run 5W-30 to give you better protection. LISTEN TO YOUR OIL CAP! Tells you right there, 5W-30!

-mobiuslogic

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post #8 of 19 (permalink) Old 05-02-2004, 03:00 PM
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Quote:
Originally posted by taurus_attack@May 1 2004, 09:56 AM
I have always ran mobile 5w 30 in my car. It has come the time when I need to change my oil again. I went to walmart and bought some cheap walmart brand 10w 30. I figuared the car is getting old and its pretty much on its death bed and with the summers heat I might as well use 10w for added protection. Am I alright to run 10w in the taurus after years of only running 5w? I am pretty sure I am but I am just looking for some reassurance. Thanks
Yes

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post #9 of 19 (permalink) Old 05-02-2004, 03:14 PM
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10W-30 won't hurt a thing to use in the summer. Remember 5W-30 contains more viscosity modifiers than 10W-30. More viscosity modifiers = less actual oil = less engine protection. Unless of course you need the additional modifiers, like when you have very cold outside temps (below freezing). But this time of year, 10W-30 is fine.

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post #10 of 19 (permalink) Old 05-02-2004, 03:50 PM
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Sounds like ya' got more troubles than what weight oil to use?! Might wanna' deal w/the Trans. & Power Steering situations A.S.A.P. !!!!!!!

Oh yeah, the older the engine is, the larger the "gaps" in bearings, & rings get...
HEAVIER oil will help out w/older engines. It's a long time tried & true FACT!!!
A good additive would help too... PROLONG, Z-MAX, Slick 50, Restore,etc.



There's alot more to Racing than going in circles!
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