[This review was collected as part of a promotion.] I bought this product by mistake in a store but since it was open I had to use it. Needless to say I continued to use Pennzoil products only in my vehicle!!! Thanks for keeping me safe on the road!!!!

I have used conventional Pennzoil for years and currently have one vehicle with 260,000 + miles and one that pulls a 30 ft, 10,500 lbs 5th wheel with 155,000 miles on it. I have never had an oil related problem on ANY of my vehicles (current or past) with Pennzoil in use. When I had to do intake gaskets on the vehicle with 260+ on it because of a coolant leak, the lifter valley and inside the engine was crystal clean. Neither vehicle uses any oil between 3000 mile changes or has any sign of exhaust smoke. I will remain to be a loyal customer as long as you make a superb product.

[This review was collected as part of a promotion.] I've been using Penzoil for the past 40+ years. The engines were 40hp Volkswagens, 12hp snow blower, through 700hp drag racing Ford 502 engines. Never any lube problems. I will continue using Penzoil in all of my vehicles/engines. My 3 kids also use Penzoil in all of their vehicles.

Dont use anything but Pennzoil, I drive from texas to California every 6 months and pennzoil has been my go to. Works best in my car and even helps on my gas mileage. Will never use a different brand and will pass that down to my kids. Thank you for the amazing product.

[This review was collected as part of a promotion.] I have been using Pennzoil in my rat rod for three years! I keep my foot heavy on the throttle, giving total abuse, wIting to blow its small block in order to replace it with a big block and the sucker just won't pop! I have confidence this product has ideal viscosity... The big block awaits ... Maybe I will boil the water out one day! Ha!!!

[This review was collected as part of a promotion.] When I was young I assumed all motor oils were the same. Then I put cheap oil in an old pickup. The engine was much noisier and I was afraid it would fly apart. I immediately went to the auto parts store and asked what they recommended. The counter guy was a weekend racer who swore by Penzoil. I drained out the junk oil and put in Penzoil. The engine quieted down immediately. I have used nothing but Penzoil for the last 35 years.

[This review was collected as part of a promotion.] Multiple cars and suvs over the years and I've always trusted Pennzoil. It's always kept them running smoothly until my next oil change. It's a tradition passed down from my father when changing the oil in all of his vehicles.

[This review was collected as part of a promotion.] Since I was a teenager my father told me to always use pennzoil I ve drove some very hard run hand me down vehicles with many miles all well over 250,000 miles all still running like a top All of which only had pennzoil products used in them My whole family swears by Pennzoil its the best product by far way better than all the rest

[This review was collected as part of a promotion.] Iv'e used Pennzoil all my life I can also tell that this product keeps the internal parts of the engine Clean . I know this because I have replaced valve cover gaskets on high millage engines that have nothing but Pennzoil used in them.

[This review was collected as part of a promotion.] I started off using Pennzoil because Dad did but as time went I became a loyal user as I used and abused my 1970 'Cuda and the motor held up. I have continually used Pennzoil products in all my cars because when I buy a car, I like to keep it around for a while.