[This review was collected as part of a promotion.] Started using it in my 78 F-100 with 400. Best desicion I've made. Really affordable and reliable

[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.] #Pennzoil the one and only motor oil for all types of cars!

[This review was collected as part of a promotion.] Have always trusted your products and see no reason to stop now! Simply the best!

[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 review was collected as part of a promotion.] Been using products for years car runs great.nothing better

[This review was collected as part of a promotion.] It'll put a smile on your car! Makes an older engine run super smooth.

[This review was collected as part of a promotion.] Always use this oil for my cars to keep them on the road longer

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!

I use nothing else in my vehicles, lawn mower and pressure washer. All of which are more than 10 years old.