Pennzoil Yellow Bottle

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Does pennzoil really clean as they say it does or is it just marketing? I've looked for some pics of valve covers where pennzoil has been used. I haven't found much.
 
Any SN rated oil cleans well. SOPUS products clean well in general. From the times I've used it, it kept any engine clean that I put Pennzoil Products into.
My Brother uses PU in his car for 10k oci's, his engine hasn't seized up yet with over 160k on it.
 
They really push the cleaning for marketing but it's not all hype, PYB has a stouter detergent pack than most of the oils it competes directly against.

PYB is simply an incredible conventional. I hope they don't mess with it anytime soon.

One of my Jeeper buddies on here has some great under the valve cover pics of long term PYB use and I have seen others posted in here as well, hopefully we'll get some of those posted in response.
 
MANY years ago, PYB was notorious for 'sludging up' and unfortunately you still hear people saying that it does.

The PYB you get now is nothing like what that stuff was. The current PYB is amazing stuff and cleans very well. Use with confidence.
 
Engines always seem to last forever on PYB. Everyone I've known who's had a car with crazy high mileage on it has always run PYB religiously,and they always run like new.
 
Originally Posted By: SirTanon
MANY years ago, PYB was notorious for 'sludging up' and unfortunately you still hear people saying that it does.

The PYB you get now is nothing like what that stuff was. The current PYB is amazing stuff and cleans very well. Use with confidence.


Yep, I actually removed a valve cover off an engine that the owner proudly proclaimed used Pennzoil only changed every 3k miles back in the early 90's. It was sludge'd up quite a bit.

But their SOPUS product is top notch, better base stocks and great additive packages.
 
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Originally Posted By: SirTanon
MANY years ago, PYB was notorious for 'sludging up' and unfortunately you still hear people saying that it does.

The PYB you get now is nothing like what that stuff was. The current PYB is amazing stuff and cleans very well. Use with confidence.


Could the current focus on "cleaning" be a way to undo the "sludging" associated with Pennzoil? If that is the case it is more than marketing. It is undoing a negative stigma.

Have used Yellow Bottle, PP, & PU with good results.
 
Many oils can clean an engine a little. If it has a lot of sludge build up, no oil can really clean that up. And you have to use some short oil change intervals to help th cleaning process.

But yes the PYB can help clean a mildly dirty or sludged engine.
 
Originally Posted By: BikeWhisperer
Originally Posted By: SirTanon
MANY years ago, PYB was notorious for 'sludging up' and unfortunately you still hear people saying that it does.

The PYB you get now is nothing like what that stuff was. The current PYB is amazing stuff and cleans very well. Use with confidence.


Yep, I actually removed a valve cover off an engine that the owner proudly proclaimed used Pennzoil only changed every 3k miles back in the early 90's. It was sludge'd up quite a bit.

But their SOPUS product is top notch, better base stocks and great additive packages.


Most likely engine design or oil contamination with either fuel or coolant caused that sludge. It sure wasn't Pennzoil, which has been #1 selling for a long-long time now........ as far back as Arnold's tractor on TV.
 
Originally Posted By: dslofti
Does pennzoil really clean as they say it does or is it just marketing?


They're trying to counter their reputation as being an oil that causes sludge and varnish.
 
I was talking to a service manager at a Pep Boys recently. They used to use PYB as their standard oil for a regular oil change but they switched to Formula Shell. People were complaining that their oil was getting dark too fast with PYB. Anecdotal, but believable.
 
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Originally Posted By: aquariuscsm
Engines always seem to last forever on PYB. Everyone I've known who's had a car with crazy high mileage on it has always run PYB religiously,and they always run like new.



I've noticed this also.
 
Originally Posted By: Triple_Se7en
Originally Posted By: BikeWhisperer
Originally Posted By: SirTanon
MANY years ago, PYB was notorious for 'sludging up' and unfortunately you still hear people saying that it does.

The PYB you get now is nothing like what that stuff was. The current PYB is amazing stuff and cleans very well. Use with confidence.


Yep, I actually removed a valve cover off an engine that the owner proudly proclaimed used Pennzoil only changed every 3k miles back in the early 90's. It was sludge'd up quite a bit.

But their SOPUS product is top notch, better base stocks and great additive packages.


Most likely engine design or oil contamination with either fuel or coolant caused that sludge. It sure wasn't Pennzoil, which has been #1 selling for a long-long time now........ as far back as Arnold's tractor on TV.


Maybe it was Pennzoil, maybe it wasn't but I do remember hearing that it sludge'd engines well before I came across it. Maybe the owner lied and changed it every 12k instead or maybe it was a sludger engine. I don't remember the specifics other than seeing it and remembering what other mechanics had said about Pennzoil.
 
With all the good praise I hear about PYB, it seems its unavailable in my country. could you guys have a look at this Malaysian Pennzoil website. ?
http://products.pennzoil.my/category/pcmo

it seems the only yellow bottle oil in Malaysia is the 20W-50 and its a pure dino. So is Pennzoil formulation in the US and the rest of the world the same? I am asking specifically about dino oil, not synthethic. I am sure for syn its the same, but dino doesn't look like it.
 
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Originally Posted By: dslofti
Does pennzoil really clean as they say it does or is it just marketing? I've looked for some pics of valve covers where pennzoil has been used. I haven't found much.


I asked the same thing and people said it's because it gets dark on the dipstick quickly.

How do they know it's not additive depletion and oxidation?
 
good advice, I do know that Valvoline conventional can clean up some sludge, When My fiance got a new car I noticed there were a couple sludge chunks under the oil cap... but the car ran so well that I Thought I could clean it up with a couple frequent OCIs... I did I think a 4k OCI with Valv conv and the next day when I took the oil to be recycled there was an inch thick layer of sludge on the bottom of the clear container I put the old oil in.
Originally Posted By: toneydoc
Many oils can clean an engine a little. If it has a lot of sludge build up, no oil can really clean that up. And you have to use some short oil change intervals to help th cleaning process.

But yes the PYB can help clean a mildly dirty or sludged engine.
 
Originally Posted By: alcyon
With all the good praise I hear about PYB, it seems its unavailable in my country.

What other modern Shell conventional oils are readily available in your country? Pennzoil, Quaker State, and Formula Shell, for instance, are pretty darned close to one another.
 
Originally Posted By: SirTanon
MANY years ago, PYB was notorious for 'sludging up' and unfortunately you still hear people saying that it does.

The PYB you get now is nothing like what that stuff was. The current PYB is amazing stuff and cleans very well. Use with confidence.


Back when I worked for some quick lubes back in the early 90s, we called Pennzoil "Pennzwax", or "Pennzsludge" as some engines were pretty sludgy that used Pennzoil.

I gather they have improved their oil since then.
 
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