B Bill S Senior Member Mar 7, 2020 #1 I have Shell oil in my 50 ford. need to add 1 qt. I have a some new Vavloine oil. same weight. What is you think adding the Vavoline. I do not think it would make a difference.
I have Shell oil in my 50 ford. need to add 1 qt. I have a some new Vavloine oil. same weight. What is you think adding the Vavoline. I do not think it would make a difference.
