[This review was collected as part of a promotion.] 3000 miles to go, just changed and I'm good for the winter and more!

This is the cleanest oil I have ever used and has not let me down over the 6 years I have been using it. Pennzoil PROUD!

[This review was collected as part of a promotion.] I Request for my oil to be change with Pennzoil and if I ever need to add any I use it,

I have been using this oil since logano took over the 22.. Keeps my engine clean as I see when I do my own oil changes. Great product.

[This review was collected as part of a promotion.] Cleans better than rest of the competitors will buy again and recommend them always.

I use it in my hopped up 85 mustang Gt T-tops awesome car and the oil does its job when I'm in the Hammer stay clean to

[This review was collected as part of a promotion.] I have used this oil for years in all of my cars and have no problems in any of my 9 cars.

I have used this product for 10 years now. Always have been very happy with the results the product has given to me and my cars.

[This review was collected as part of a promotion.] The only one I will ever put in to anything I drive

[This review was collected as part of a promotion.] I use this in my car and it's runs so much better now think u for good oil to use