What grade motor oil should i use for hot climate?
Sep 8, 2004, 09:18 AM
#1
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What grade motor oil should i use for hot climate?
I live in the Caribbean and its constantly hot. What grade motor oil should i use on my Evo 5? 10w-40, 15w-40, 20w-50? Is Citgo synthetic oils any good? I usually use Mobil 1. I have the choice of Mobil 1, Castrol, and Citgo, thats it. Please help!!!! 
Sep 8, 2004, 10:49 AM
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Why? Even in the hot weather? Could you give some details on why to use this?
Originally Posted by EVOTEXAS
You should use Mobil 1 10W30 no matter what. Never change under any circumstance.
Sep 8, 2004, 11:00 AM
#5
1. It's the factory recommendation right on the oil cap.
2. Mitsu doesn't F around when it comes to warranty.
3. Read the bottle of Mobil 1 10W30 and you will find that it is suitable for whatever temperature you can live in unless you live in Antartica or Hell.
4. Something thicker runs too much risk of coaking up the turbo.
5. Something thinner may burn up from the heat of the turbo.
6. Because EVOm says so.
2. Mitsu doesn't F around when it comes to warranty.
3. Read the bottle of Mobil 1 10W30 and you will find that it is suitable for whatever temperature you can live in unless you live in Antartica or Hell.
4. Something thicker runs too much risk of coaking up the turbo.
5. Something thinner may burn up from the heat of the turbo.
6. Because EVOm says so.
Sep 8, 2004, 11:15 AM
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Thanks dude! 
I don't understand why i was advised to use 15w-50. This rally racer in Trinidad told me so. And out climate is pretty much the same...90 to 100 degress everyday.
I don't understand why i was advised to use 15w-50. This rally racer in Trinidad told me so. And out climate is pretty much the same...90 to 100 degress everyday.
Originally Posted by EVOTEXAS
1. It's the factory recommendation right on the oil cap.
2. Mitsu doesn't F around when it comes to warranty.
3. Read the bottle of Mobil 1 10W30 and you will find that it is suitable for whatever temperature you can live in unless you live in Antartica or Hell.
4. Something thicker runs too much risk of coaking up the turbo.
5. Something thinner may burn up from the heat of the turbo.
6. Because EVOm says so.
2. Mitsu doesn't F around when it comes to warranty.
3. Read the bottle of Mobil 1 10W30 and you will find that it is suitable for whatever temperature you can live in unless you live in Antartica or Hell.
4. Something thicker runs too much risk of coaking up the turbo.
5. Something thinner may burn up from the heat of the turbo.
6. Because EVOm says so.
Sep 8, 2004, 11:38 AM
#7
Originally Posted by JVBEvo5
Thanks dude! I don't understand why i was advised to use 15w-50. This rally racer in Trinidad told me so. And out climate is pretty much the same...90 to 100 degress everyday.
I don't understand why i was advised to use 15w-50. This rally racer in Trinidad told me so. And out climate is pretty much the same...90 to 100 degress everyday.Trending Topics
Sep 8, 2004, 11:46 AM
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Thanks!!! 
Can you help me with a gas filter? I can't find the stock ones for my Evo 5 but was told I can use the same one as the Montero 3000 V6s. Do you know anything about this? 
Can you help me with a gas filter? I can't find the stock ones for my Evo 5 but was told I can use the same one as the Montero 3000 V6s. Do you know anything about this?
Jun 4, 2006, 03:36 PM
#10
according to the manual you can use higher grades of engine oils, it all depend on where you live!!
i would recommend a 5w-50 its easier at startup and for the 50 for hotter climates works great!
read http://www.synlube.com/viscosit.htm
this will help you
i would recommend a 5w-50 its easier at startup and for the 50 for hotter climates works great!
read http://www.synlube.com/viscosit.htm
this will help you
Jun 4, 2006, 03:39 PM
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I think my porsche had 0w 50. I would use 10 - 30 cuz its hot so the oil won't be thick to begin with. in colder weather the first number should be smaller so it gets to the engine internals faster. 2nd number is the viscosity when the oil is warm. thicker oil is not good on engines with low tolerances.
Last edited by sesso; Jun 4, 2006 at 03:42 PM.
Dec 20, 2011, 07:05 AM
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hey guys i live in the caribbean to i have a evo5 where i live we dont have mobil 1 oil we have shell - valvolene -havolene- castroll -xcell- kendal what out of these oils is best for my evo with a 4g64 an 4g63 built thanks in advance
Aug 24, 2017, 09:29 PM
#15
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Im In Hell
As the title says i live in hell (stationed there) im currently in El Centro, CA where the temperature range from low 40's during the winter and highs up to 130 in the summer i use 10w30 as cap indicate and i try not to go boost during the summer unless In the early am when its like in the mid to low 80s for a minimum time (aka to pass a farm truck and slow ppl) and i plan on doin a full fluid swap soon so thanks in advanced 😁