Engine break in oil?

nm9stheham said

One thing I do not like about the Lucas oil is that they say it uses a paraffin base oil. Quaker State and Pennzoil had quite a run of crappy oil in the 60's-70' that was notorious for causing high levels of sludge and deposits in engines, and that was due largely to the paraffin base oil. That might be different now, but it raises a question in my mind. It carries no API rating.... that might be bad, or that might be good!

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I can attest to the Pennzoil of old for sure. Pull a valve cover from one of these engines back then and it looked like fish scales everywhere. I steered clear if it in all my vehicles. In fact I still have a case of the old cardboard/metal lidded quart size cans on the shelf taking up space (Dad leftovers). Probably even have one of those old metal can piercing pour spouts somewhere.
I've used different brands over the years never really having a dedicated brand. Then it narrowed to Castrol (manufacture recommendation for the wife's mini) and Valvoline for everything else, and now my most modern vehicle recommends the new natural gas based Pennzoil. I used the Joe Gibbs Driven in all the hot rods and race cars with excellent results. But the recent test result show that the VR1 might be slightly better overall and it is a ton cheaper. Throwing money at something just because I can doesn't make it the best nor does hype. Although there was that $1.200 bottle of Pappy's :thumbsup: