[This review was collected as part of a promotion.] Use pennzoil to get great engine optimization and protection

[This review was collected as part of a promotion.] Been working flawlessly without failure for years.. Keeps engine clean and smooth.

[This review was collected as part of a promotion.] So thankful to the oil gods. Good stuff for your auto

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.

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 buy this product every time i have work done on my car

[This review was collected as part of a promotion.] As a mechanic I have seen a lot of cars with a lot of miles running Pennzoil with great success

[This review was collected as part of a promotion.] Works fantastic and great price ! Thank you for coming up with such a great product!

[This review was collected as part of a promotion.] we always use pennzoil its cleaner oil and it makes your car not have so much pollution