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2004 Dodge Grand Caravan 3.3L V6 218K miles on vehicle Out: Rotella T6 5w-40 and Mobil 1 M1-301A filter 3500 mile OCI In: Rotella T6 5w-40 and K&N HP-3001 filter

All of our vehicles have 210+K. 04 Grand Caravan: 216K 00 Blazer: 279K 06 Envoy: 240K 07 Impala: 293K

While I doubt that a single quart over would cause any real issues, I would probably drain an estimated quart from it, then check again. If it is under, add a little at a time and keep checking to get it to the right level. If it is still over, it will be so little that it won't matter.

New to us 2007 Chevrolet Impala LT 3.5L V6. 293K. OCI unknown. Out and off: 5qts unknown oil and don't remember the brand or model of oil filter. In and on: 5qts Rotella T6 5w-40 and Wix XP 51522XP filter. 2004 Dodge Grand Caravan SE 3.3L V6. 215K. 6 month 3400 mile OCI. Out and off: 6qts...

P-38 Lightning, B-17G Flying Fortress, and SR-71 Blackbird.

If you want high ZDDP, you could run any quality CK-4 rated HDEO in 5-40, 10-30, or even 15-40. Those usually have more than 1000 ppm ZDDP, especially if they are not also SN rated. Rotella T4 would come to mind for me.

I watch many Project Farm videos, if for no other reason than the fact that he is entertaining and seems like a great guy. Does that mean that I would base what engine oil I use on his tests? Not likely. I do find his comparisons of tools and the like to be useful, though. To me, those tests...

Tobasco Scorpion is excellent. Famous Daves Wilburs Revenge. Many CaJohns sauces are great as well.

Unless it really needs a full syn, T4 will be fine because it's actually a syn blend. It just might be missing some additives because it doesn't have the Triple Protection PLUS that the T5 and T6 variants have because it's missing the PLUS part of that.

1 x 1 gal jug of Rotella T6 15w-40.

Thicker oil is not likely to cause any issues. If anything at all, it might reduce your fuel efficiency by like a few tenths of a mile per gallon. Not enough to even really notice. My Caravan specs 5w-30, but I run 15w-40 HDEO during the warmer months here in WI. Rotella T4. No issues so far. I...

Rotella is what I tend to stick with, but Mobil Delvac is good too. Valvoline and Delo are good choices as well.

Ive also heard that a synthetic blend oil has to be at least 10% synthetic to be labeled as such, and a full synthetic has to be at least 25% to be labeled as such. I have no idea if this is true, but that is what I understand from online sources. We all know how accurate those are....

Agreed. Though I may spend just a bit more and use Mobil Delvac Super 1300 15W-40, or even consider Rotella T4.

The first number only really relates to cold starts. 0w-20 will handle cold temps better than 5w-20, but you will not see this come into play in most areas as even 5w-20 is good down to -25F at least. Either way, you are perfectly fine running either in your engine. They will both be the same...

I wouldnt be too worried about the dual rating unless you are using it in an oil burner. For the phos to effect the cat, it would have to get to it first. The only way I can think that would happen is if it burned oil.

Yes, its fine. The first number, the W, will end up falling somewhere between 0 and 5W. The engine will never notice the difference, and you or your friend won't either. A 5w oil is usable down to something like -30F anyway so the temperature is something you will never have to worry about, either.

Thanks for the replies. Pretty much told me what I already knew, but I like having the confirmation.

Greater levels of detergents as well as anti-wear additives. Not only that, but it can be cheaper on a per quart basis, especially with my employee discount at AAP. A 2.5 gal jug of Fram (Amalie) conventional 15w-40 CK-4/SN is around $32 with my discount. From what I've been able to glean, their...

Looking through the list that comes up when typing the threat title, the closest thread to the one I'm making was this one: https://bobistheoilguy.com/forums/threads/sn-ck-4-in-gas-engine.336549/ However, this thread was for a vehicle that had no catalyst on it. I'm wondering what everyone's...