pennzoil platinum vs supertech high mileage

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looking over these virgin oil analysis sheets the supertech looks better in most areas than the pennzoil. better cold flow, higher viscosity index, better looking additive package. the only thing pennzoil has is .4 more tbn that i can see.


what am i missing?

 
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I see PP and high mileage ST, if that makes a difference. ST is a good oil and will do the job just fine. I choose to not use it due to PP having a better NOACK for my GDI engine. I use ST on my 03' Matrix and it does what it's designed to do.
 
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The Pennzoil is likely made with lots of GTL which has a greater viscosity on it's own , the Supertech is likely using a lower quality thinner hydroprocessed crude oil derived base oil and is likely loaded with viscosity improvers and likely to shear much more during useage, so the Pennzoil starts out thinner but the end viscosity retention is probably much higher.
 

TexasPlumber

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didnt shear much at 6k on this uoa
 
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didnt shear much at 6k on this uoa
That's supertech full synthetic 5W30, that's a completely different product than ST HM
 

TexasPlumber

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Supertech High Mileage is a synthetic blend oil, so it's quiet different.
this oil is full synthetic not a blend.


i guess the real question is gtl worth $8 a jug more than a group 3 that may have better performance.
 

TexasPlumber

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Funny how much the ST full synthetic oil looks like Super S Dexos full synthetic oil...

Additive package almost exactly the same. I wonder if Warren Distribution is getting their additives from Afton ?

That's who supplies Smitty's Supply and Cam2.
 

4WD

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Or a blend they call full synthetic … exactly what EHC was made for …
this oil is full synthetic not a blend.


i guess the real question is gtl worth $8 a jug more than a group 3 that may have better performance.
 
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