Oil Weight Question

[HowAboutThis]

I'll be doing some driving this summer in a Toyota 1.8L. I currently run 0w20 synthetic and worry that some mountain climbs and long, flat freeway stretches might cause issues with such a thin oil. Is 75mph at 2200-2500 RPM's on 0w-20 going to make my engine blow up? Or is 55mph up a mountain incline at 3k RPM's going to destroy my engine? I have about 120k miles on the engine and have always run 0w20, but I'm wondering if something like 15w40 oil specific for racing would be better? Or maybe a 75w90 gear oil?

Be safe and have a great 4th everyone!

 

[MalibuRam65]

Ouuuuuu you trolling I’m telling

 

[HowAboutThis]

Ouuuuuu you trolling I’m telling

If it's in the humor section I don't think it can be defined as trolling, can it? I feel like you can't say "haha I'm going to make a joke" and everyone is aware and then be accused of trolling

 

[Kira]

I thought you were serious and was anticipating the 75W90 gear oil run....you know, the "Thick vs. Thin", once and for all shootout we've all been waiting for.

 

[factorytuned2012]

I'll be doing some driving this summer in a Toyota 1.8L. I currently run 0w20 synthetic and worry that some mountain climbs and long, flat freeway stretches might cause issues with such a thin oil. Is 75mph at 2200-2500 RPM's on 0w-20 going to make my engine blow up? Or is 55mph up a mountain incline at 3k RPM's going to destroy my engine? I have about 120k miles on the engine and have always run 0w20, but I'm wondering if something like 15w40 oil specific for racing would be better? Or maybe a 75w90 gear oil?

Be safe and have a great 4th everyone!

no stick with your true, tried & trusted 0W20. that kind of driving will not bother 0W20 even the slightest.

 

[JavierH19]

The engine might be loud with 0w-20 as other members have experienced and saw a noise reduction when going going up. If it were a problem we'd've heard about it by now but it doesn't appear to be.

You could keep using 0w-20 but me being me I'd use thicker. Outside of the US that engine can use up to 20w-50 even if that 1.8 is in a prius as that's what european and austrailian owners manuals say in those. If it was mine I'd at least be using a 30 grade maybe a 40. I use 5 and 15w-40 in everything including two cars that call for 0w-20 and are under warranty with one just going out of warranty a thousand miles ago. Definitely don't use gear oil.

 

[AdmiralYoda]

lol....I clicked on this from the "latest threads" on the main page not realizing it was in the "humor" section!!!! I was about to go full dad-splaining mode haha.

I did put gear oil into an engine once. It worked! Had a Jeep 4.0L I6 that spun a rod bearing. Normally ran 5W-30, switched to 20W-50 to limp it along a bit....eventually it was time to retire it as it was close to 300k miles. For the fun of it I put some cheap 110W-140 (I think) oil in it to see what would happen before it went to the junk yard.

Quieted it down a bit at first. Once it warmed up...... well I don't think gear oil is a replacement for motor oil.

 

[Urshurak776]

Funny. I would definitely dump the 75W-90 in the fill hole and rock on!

 

[HowAboutThis]

I thought you were serious and was anticipating the 75W90 gear oil run....you know, the "Thick vs. Thin", once and for all shootout we've all been waiting for.

I'll do it on the 4th and send a video of the engine "fireworks"...

 

[ZeeOSix]

I'll do it on the 4th and send a video of the engine "fireworks"...

90 grade gear oil has the same KV100 as a 40-50 grade motor oil. No joke.

 

[HowAboutThis]

90 grade gear oil has the same KV100 as a 40-50 grade motor oil. No joke.

Don't ruin my hypothetical fun with your "facts"