Best oil weight for winter/all season

I dont have facts but i would say road racing ...might not be an easy answer....you should look up unleased beast on Svtperformance forum...he is very knowledgeable on amsoil and oil and is a guru with technical training although i dont know him personally
 
True,but some of us like to follow the owner's manual spec's which entails a sense of security thats all,excluding high mileage vehicles. Z
 
AJP turbo said:
1/4 mile blasts are nothing...I've talked to multiple reps from amsoil and they say road racing is what would require thicker oil

Yup.  Open track and road racing really put everything to the test strain wise.

Drag is just "cute"
 
SHOdded said:
MiWiAu said:
I was going to send a 5k sample of 5w30 to Blackstone to see how it's holding up.
Looking forward to results!  But it should easily hold at that point, maybe a little less so than for port injected engines, but robust nonetheless.

Sending in a 5,000 mile sample tomorrow (5W-30 Amsoil Signature Series, actual mileage was 5091, I think). I'm curious to see how it comes back, since this was the first fresh change after my failed fuel injector, so I wouldn't be completely surprised if there was a slightly elevated fuel %. The first OCC drain after the injector issue looked/smelled to have much more fuel content, but that has dropped substantially on subsequent drains. I'll post the results in a separate thread, once I get them back. If there's sufficient life in the oil left, I'll go to 10,000 and do another analysis.
 
5W 30 is fine for 99% of the time in Colorado. That cold snap we had first part of this month it was negative30. That was one morning.  If 0W30 was easier to find I would gladly run it. Just 5W30 is more widely available. I jus pick up what ever is on sale with a good filter at oil change time. Mobil 1 5W30 and Mobil 1 filter just got put in this Monday for me.
 
Looks like fuel dilution is not a problem...im starting to wonder if it ever was on ecoboost....maybe someone had a bad engine and that had an oil analysis and that was considered the norm

Your fuel dilution was 75% less than what is normal
 
AJP turbo said:
Looks like fuel dilution is not a problem...im starting to wonder if it ever was on ecoboost....maybe someone had a bad engine and that had an oil analysis and that was considered the norm

Your fuel dilution was 75% less than what is normal
he does have the monster rx catch can though if i'm not mistaken. would be interesting to see dilution levels on OCC vs non-OCC cars as well.


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Colorado-SHOBro said:
AJP turbo said:
Looks like fuel dilution is not a problem...im starting to wonder if it ever was on ecoboost....maybe someone had a bad engine and that had an oil analysis and that was considered the norm

Your fuel dilution was 75% less than what is normal
he does have the monster rx catch can though if i'm not mistaken. would be interesting to see dilution levels on OCC vs non-OCC cars as well.

If you're talking about me, yes, I have a Monster RX. I dont remember how soon after my injector issue I drained my OCC, but I got about 13oz of liquid. The water on the bottom only made up about 4 oz, and the rest was a milky, stinky (like fuel) mixture. Subsequent drains have had much less fuel smell, and appears to be mostly water (with some oil/fuel on top).

Given the choice, I'd spend the $450 or so and install it again. :)
 
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