Hey all, I have always used Mobil 1 5w-30 in my Ranger with what I assume to be good results. After seeing some evidence on BITOG that Mobil 1 switched base stock after the hurricane, I wonder if I am getting the same product/results. That forum seems to tout Pennzoil Platinum as a good oil, so I was wondering if any of you have had any experience with it.

 

i had a bad expierence with Penzoil in another vehicle i have had.....wont use any form of penzoil products in any of my vehicles...

 

X2......

 

Uh..... Mobil-1 switched base stock???? I thought that mobil 1 was completly synthetic and was not petrolium at all.

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oh I wont use POil ever for my own reasons.

 

The speculation is that it switched to group III (hydrocracked mineral oil).

 

What problems you guys have with penzoil????

I use valvoline. Only oil I have ever had problems with is Ams Oil. But that was in a quad.

 

Everyone has there favorites..... I had a problem with penzoil in a boat motor a few years ago and wont touch the stuff again. I use amsoil in everything, my boat, dirt bike, truck, Gf's car, even my 1965 honda 50 runs amsoil and I have never, ever had a problem. Who knows, it all comes down to what you like....

 

my brother and i built a engine for a '69 Camaro.......put Penzoil in it from the install.....drove it for about 10,000 miles and the engine wouldn't run right....we pulled it out and took it back down to the block......there was so much crud built up inside the engine......there was a lot of sludge in the block.......the block was dipped in acid to completely clear the block out before the new build......

 

This is the same problem I had in my boat, it destroyed a 350 Chevy. If any of you have a boat you know that they run at HIGH rpm all the time because there are no gears like a car has, so that junk basicly sludged it up so bad that the motor would barely stay running..... I wound up having to get a lawyer to get a new motor out of penzoil. Never will I run penzoil products in anything ever again. I think that it is because it is a waxbased oil, and over time, it breaks down and thats what you are left with rotting away in your block....

 

You guys realize that all oil is the same. Except synthetics. What I am saying is they all meet the same standards and come from the same place. Most of the time the same nozzle filling the Penzoil bottle is filling the the proline, and the quaker state. My ex's dad used to work in a place that did the bottling. Penzoil is actualy sun by Shell and I have a hard time believing that shell oil is crap.

 

I wouldn't blame the oil on blowing up your engines. There chevy engines remember