I likely wouldn't try a 5w-40 non-synthetic, since it might be way too loaded with VIIs, if it existed in the first place. I wouldn't be hunting for a conventional 0w-20 or 0w30 either for similar reasons, assuming they existed, either. The 5w-40 I use is, of course, synthetic, but I've also used 5w30 conventional in the G37, Pennzoil conventional, as a matter of fact.
Now, do I believe what I wrote? Of course I do. A 5w-XX does work fine in most terrible conditions I come across here. There probably are some days where a 0w-XX would be preferable. But, a 5w-XX does fit most cold days here just fine. The odds of my G37 being outside, shut off, for twenty-four hours straight in -40 and me needing to jump in and start it unaided are slim to none. But, I'm certainly not going to run an SAE 30 for a third of the year and then switch to a 0w30 for the other two thirds. I prefer to avoid seasonal oil changes and stick with something I can expect to do the job year round.
As for the F-150, the 10w30 is a legacy of the rebuild; I had gotten some 10w30 cheap for a couple shorter OCIs. I've hardly turned a wheel on the vehicle in the past many, many, many months, and it faced no winter duty, so the fill right now isn't an issue. I do have an oil pan heater for it if I were to be absolutely needing it on a day when 10w30 was silly. I do have a stash of 5w30 Defy waiting for its next two or three OCIs, along with a Quaker State Conventional 5w30 straggler.
In my little essay there, I wasn't saying much about conventional versus synthetic. I just prefer to be running an oil that I can use all year. And yes, for my applications, 0w-30, 5w30, 0w-40, and 5w-40 would fit, and would be my preferred grades.
I would not want to compromise the 0w-XX or 5w-XX of whatever grade I was using, whatever that might be, by mixing, that's all. And, where I mentioned synthetic and Canadian Tire, I was merely pointing out Canadian Tire's marketing rhetoric, not arguing conventional over synthetic or vice versa. Canadian Tire conveniently ignores the fact that a 5w30 conventional can be equally capable in the cold as a 5w30 synthetic. Of course, a 0w30 synthetic is going to have better MRV and CCS values than any 5w30 conventional or synthetic. But, that's not what Canadian Tire is trying to say. They want you to buy the oil with the highest price tags.
I have used a lot of conventional over the years, and certainly will continue to do so. However, none of my point was really advocating one over the other.
Now, do I believe what I wrote? Of course I do. A 5w-XX does work fine in most terrible conditions I come across here. There probably are some days where a 0w-XX would be preferable. But, a 5w-XX does fit most cold days here just fine. The odds of my G37 being outside, shut off, for twenty-four hours straight in -40 and me needing to jump in and start it unaided are slim to none. But, I'm certainly not going to run an SAE 30 for a third of the year and then switch to a 0w30 for the other two thirds. I prefer to avoid seasonal oil changes and stick with something I can expect to do the job year round.
As for the F-150, the 10w30 is a legacy of the rebuild; I had gotten some 10w30 cheap for a couple shorter OCIs. I've hardly turned a wheel on the vehicle in the past many, many, many months, and it faced no winter duty, so the fill right now isn't an issue. I do have an oil pan heater for it if I were to be absolutely needing it on a day when 10w30 was silly. I do have a stash of 5w30 Defy waiting for its next two or three OCIs, along with a Quaker State Conventional 5w30 straggler.
In my little essay there, I wasn't saying much about conventional versus synthetic. I just prefer to be running an oil that I can use all year. And yes, for my applications, 0w-30, 5w30, 0w-40, and 5w-40 would fit, and would be my preferred grades.
I would not want to compromise the 0w-XX or 5w-XX of whatever grade I was using, whatever that might be, by mixing, that's all. And, where I mentioned synthetic and Canadian Tire, I was merely pointing out Canadian Tire's marketing rhetoric, not arguing conventional over synthetic or vice versa. Canadian Tire conveniently ignores the fact that a 5w30 conventional can be equally capable in the cold as a 5w30 synthetic. Of course, a 0w30 synthetic is going to have better MRV and CCS values than any 5w30 conventional or synthetic. But, that's not what Canadian Tire is trying to say. They want you to buy the oil with the highest price tags.
I have used a lot of conventional over the years, and certainly will continue to do so. However, none of my point was really advocating one over the other.
