Quaker State High Milage blend 5w30 vs Supertech High Milage Synthetic 5w30

Status
Not open for further replies.
Joined
Apr 11, 2019
Messages
170
Location
Minnesota
Which of the two would you feel more confident running in your car on a 5k oci? They are roughly the same price at Walmart.
 
Last edited:
I have both brands in my stash of 5w-30. For the past 38K miles in my M35, I've used a blend of 40% QSUD and 60% QSGB with quiet running and negligible consumption. If they're close in price, go with the QS.
 
Originally Posted by Whammo
Which of the two would you feel more confident running in your car on a 5k oci? They are roughly the same price at Walmart.


It's a no brainer
Does Wally World STech oil offer a 300,000 mile warranty coverage ????

That be a huge [censored] No !!!!!
Go with QS
End of post for this topic ðŸ‘
 
Last edited:
super-tech for sure as there are NO laws governing how much "synthetic" in the blend + its generally the cheapest being group III base oil. IMO semi-synthetics are a big scam unless its base oils are printed on the labels!
 
Originally Posted by benjy
super-tech for sure as there are NO laws governing how much "synthetic" in the blend + its generally the cheapest being group III base oil. IMO semi-synthetics are a big scam unless its base oils are printed on the labels!


Pennzoil Gold
50/50 blend
Stated on the bottle
 
Whether it's a blend or conventional, it all needs roughly 50% group III to meet SN/SN+ specs, but Mobil base stocks can do it with all group II. I've posted this about three times.

So, even though I'm reverting back to QS conventional or VWB (although they're in the process of changing its designation from conventional to semi-syn, the group III would probably be the better oil. I'm reverting because conventional oil changes are much cheaper than synthetic oil change. I can get the QS conventional (which is not really conventional) for $20 and I have VWB coupons for $10 plus disposal fees which add to that. Think I paid about $35 for the syn ST.

If I could change my own oil the ST would get the nod every time. All group III counts for something.

My rule of thumb is to run the semi-syn (conventional) for 5000. I'm running the ST for six thousand to get the car to an odometer figure divisible by 5000. If I didn't have a GDI engine I'd push it further.

In five years nothing will be branded as conventional, unless the Mobil ability to meet specs with group II basestocks spreads to other refiners.

Sopus and Valvoline warranties are for oil related failures, and there's almost none of those. They make more than enough money from building brand loyalty and more frequent than necessary oil changes. I'm sure they'd pay, but I'm sure they seldom have to.

Nice to see some QS fanboys on this board. It's a brand that doesn't get a lot of love on here.
 
Last edited:
If you mean EHC base stock they already sell to over two dozen companies with Warren on the list …
 
Supertech full syn.

It's essentially the same oil as Mag1.

It's less expensive.

It doesn't have a god awful green bottle.

It's not a SOPUS brand - reason enough alone.
 
Originally Posted by csandste
Whether it's a blend or conventional, it all needs roughly 50% group III to meet SN/SN+ specs, but Mobil base stocks can do it with all group II. I've posted this about three times.

So, even though I'm reverting back to QS conventional or VWB (although they're in the process of changing its designation from conventional to semi-syn, the group III would probably be the better oil. I'm reverting because conventional oil changes are much cheaper than synthetic oil change. I can get the QS conventional (which is not really conventional) for $20 and I have VWB coupons for $10 plus disposal fees which add to that. Think I paid about $35 for the syn ST.

If I could change my own oil the ST would get the nod every time. All group III counts for something.

My rule of thumb is to run the semi-syn (conventional) for 5000. I'm running the ST for six thousand to get the car to an odometer figure divisible by 5000. If I didn't have a GDI engine I'd push it further.

In five years nothing will be branded as conventional, unless the Mobil ability to meet specs with group II basestocks spreads to other refiners.

Sopus and Valvoline warranties are for oil related failures, and there's almost none of those. They make more than enough money from building brand loyalty and more frequent than necessary oil changes. I'm sure they'd pay, but I'm sure they seldom have to.

Nice to see some QS fanboys on this board. It's a brand that doesn't get a lot of love on here.



^^^^^^^^^^^

I think this is a very good post here... Well stated.

I have to say the QS high mileage 10w30 ran very quiet in my car. And I agree that they don't hardly ever, ever have any oil related issues to pay for. At every major store one cannot help but find and buy really good oils. It's the specs one has to be looking for if there's anything to be concerned with or about.
 
Originally Posted by 4WD
If you mean EHC base stock they already sell to over two dozen companies with Warren on the list …


Always curious as to who they supplied to. Can you provide list?
 
IMO I would stay away from blends. I spoke to an oil specialist and he told me that most blends are 99% conventional and a drop of synthetic is added for the other 1% and they call it a synthetic blend. You never know what percentage you're getting with blends.
 
Most blends mean more than 50% of them. That's a rather heaping condemnation here, when, in fact, even he isn't sure. I'd like to even see one example, let alone 50% or better, of blends in an ordinarily, currently specified viscosity with current specifications (heck, even dexos1 first generation) that have only 1% synthetic in them.

I'm no big fan of synthetic blends, either, unless I've got a specific need for a high mileage oil or were seeking a dexos1 type blend for a shop setting. That being said, I don't need to worry about synthetic content to make that judgement.
 
In my 40 years of swinging wrenches (mostly class 8 trucks) I NEVER saw an engine oil related failure. Neglect was number 1.

I would have to vote for SuperTech with it's certs.
 
Honestly at 5k which ever one is cheaper or just catches your eye. Your car will not notice a difference between the 2 at 5k changes.

I lean toward the ST since its a full syn. But again at 5k, will not really matter.
 
Status
Not open for further replies.
Back
Top