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05-04-2015, 11:31 PM
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#1 |
  Drives: 2012 Yaris 5dr Hatch Join Date: Oct 2014
Location: Puerto Rico
Posts: 58
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15w-40 oil?
It getting really hot here, breaking 100F tegularly these days as we close in on summer. I wanted to know if i could use 14w-40 oil specially since I wanted to do a few track events.
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05-05-2015, 06:51 AM
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#2 |
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Drives: 2015Yaris, Son's car, 10 Prius Join Date: May 2010
Location: Texas
Posts: 181
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Oil
I think you would be better served with a synthetic as that is what the race cars use. It will not break down as easily.
One thing about a thicker oil is that it could be harder on your seals and less lubrication during start up. Mind you, just my humble opinion. |
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05-05-2015, 06:53 AM
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#3 |
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It's the illusion you see
Drives: 07 Yaris Sedan Aero Join Date: Oct 2006
Location: Brossard, QC
Posts: 3,888
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I don't think you need to go so thick. I would say 10w30 or 15w30.
I've read people using 15w40 or even 15w50, but they are in the middles east and they barely see anything lower than 100f...
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05-05-2015, 07:00 AM
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#4 |
Drives: 2009 Base Hatch 2 Dr Auto Join Date: Dec 2008
Location: nj
Posts: 4,790
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I use 10-40 in my wifes Camry as it has 120k on it. It will burn more than a quart of oil between oil changes (5000 miles) if I use 5-30. With the 10-40 it uses about half a quart.
No problems. Also, its possible to find 10-40 on sale more often because few vehicles use it. I got a 5 quart jug for $12 several times!
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Synthetic Oil: Its All In Your Head |
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05-05-2015, 07:40 AM
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#5 |
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Drives: 2010 yaris 3 door hatch Join Date: Jun 2013
Location: Sheboygan Falls, Wi.
Posts: 506
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Pumping that heavy oil will eat up a couple horses. Use synthetic.
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05-05-2015, 09:12 AM
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#6 | |
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It's the illusion you see
Drives: 07 Yaris Sedan Aero Join Date: Oct 2006
Location: Brossard, QC
Posts: 3,888
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Quote:
i am not sure about 15w40 or 15w50 as these are heavier at full operating temps. synthetic or not, oil viscosity remain the same.
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05-05-2015, 09:44 AM
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#7 |
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Drives: 2012 Yaris 5dr Hatch Join Date: Oct 2014
Location: Puerto Rico
Posts: 58
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I forgot to mention the 15w-40 I have is a full synthetic racing oil with added zinc.
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05-05-2015, 09:51 AM
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#8 | |
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Drives: 2009 Base Hatch 2 Dr Auto Join Date: Dec 2008
Location: nj
Posts: 4,790
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Quote:
Really? 
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Synthetic Oil: Its All In Your Head |
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05-05-2015, 09:58 AM
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#9 | |
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Drives: 2012 Yaris 5dr Hatch Join Date: Oct 2014
Location: Puerto Rico
Posts: 58
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Quote:
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