I have used only Pennzoil since I bought my 76 Cutlass. Works great with very little breakdown.

I use it in my van-truck-lawn mower and tillerand synthetic 2 stroke in my boat

I have used Pennz 20W50 in the Ford 351 Ceveland, 352 FE Series & 429 engine's I've owned

My car has 379,000 miles thanks to penzoil products!.TY penzoil for taking care of my vehicle.

My husband only uses Pennzoil especially now with 110,000 miles on my car.

Quality product, solid company, will be around for years

when i get my oil change i get pennzoil car runs smooth

Have been using pencil in my ford f150 truck. 170k miles and running strong.

Used it in one of my other cars that I sold and it did great!

I bought this for my brother to change oil in nephew's car.