Re: TrevorK's 1955 Packard Patrician

Posted by Owen_Dyneto On 2019/7/28 13:22:21

You don't say what oil you're presently using and I don't know what your winter temperatures are, and if you use the car year-round. A 10W-40 might be a good choice for your climate for year-round use, you might also consider one of the 15W-40 light truck oils.