Gone to the Dark Side with Supertech

A_Harman

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8,048
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Michigan
The ST full synthetic and the HM version are robust DEXOS certified oils. It is my standard oil change package oil and I use a lot of it.

Verify you are using the FULL synthetic version and not the standard HM oil. I would use the FULL syn in your camaro it is about $15 a jug.
No, it's the high mileage stuff. The full synthetic was $1.50 more. I was in a cheap mood that day.
 
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No, it's the high mileage stuff. The full synthetic was $1.50 more. I was in a cheap mood that day.
That's how people around here are.

The Full Synthetic is 99 cents more and most of the time it stays where while the Conventional is sold out.

Either they read here, and know Conventional is fine.. or they want to gave their dollar.

I won't lie, saving money does get addicting but a dollar won't kill me. Others may disagree. I can go either way.
 
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1,528
Location
California
IIRC 10 psi per thousand rpm is sort of the minimum spec rule of thumb for oil pressure. I'm guessing at 70mph you're probably around 2000 rpm so it's all good.
Yes the 22 psi at idle being "low" seemed like an odd statement. Then I realized that was compared to past pressures since they've had the car since new.
I would not hesitate to run a 10w40 HM here.
 

A_Harman

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Messages
8,048
Location
Michigan
Yes the 22 psi at idle being "low" seemed like an odd statement. Then I realized that was compared to past pressures since they've had the car since new.
I would not hesitate to run a 10w40 HM here.
We're going into winter in Michigan, so I wanted to avoid 10W-anything. So it was down to 0W30 or 5W30. 0w30's almost always are going to be full synthetic, so more expensive than a conventional or synblend 5w30.
 
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We're going into winter in Michigan, so I wanted to avoid 10W-anything. So it was down to 0W30 or 5W30. 0w30's almost always are going to be full synthetic, so more expensive than a conventional or synblend 5w30.
Honestly, you could probably use Mobil 1 15W-50 and have no starting issues down to about 0 degrees. It has been said that 1. The oil is just that good and 2. It is more like a Full Synthetic 10W and can perform very well that cold. The reviews of it on Amazon from users state this. They say it starts like a summer day, down to about 0 degrees F.

I imagine a 10W from Mobil 1 would be similar.

However, of course, a 5W or 0W would be as you say, no guessing.
 
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2,108
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WA
Curious what is the KV100 of ST and VML? Also what filter did you have before Ultra?

Even darker and FYI:
I was at Costco couple days ago and Kirkland 5W30 was $21 for 10 quarts.
 
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292
Location
Iowa
I switched my 2005 Jeep to 5W30 ST Full Syn HM. I did the oil change for under $20 with a Mopar filter. So far so good. I will do a UOA at 5,000 mile OCI just for my own piece of mind.
My wife was like why the he#! didn't you do this years ago? You know how much money we've spent on oil??? :unsure::cry:

Just my $0.02
 
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