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Your engine will explode!!! Joking aside I would personally use them for sure. While I have not mixed M1 0W 40 and Castrol 5W 40 during my oil change for my old Porsche 987 but refill, when needed, with either one or whatever is open. For my wife's Acura MDX, I "mixed" PP 0w 20 with Castrol...

Help me understand here...did you say "cheapest" and "Euro" in a same sentence? :) Joking aside, I take the same approach (i.e., "cheapest Euro" which happens to be M1 or Castrol so far for xW 40.....especially during a rebate period.

2005 Porsche Boxster 2.7 @ 81,200 miles (OCI = 1 year / 5-6k miles). Out: M1 0w-40 In: Castrol 5W-40 with LiquiMoly MoS2 (a feeble attempt to prevent the infamous bore scoring issue) w Hengst E14HD77 Drain Plug: Votex magnetic drain plug No drama with very minor, typical metal dust particles...

As other folks indicated, don't change anything if you do not have any issues. I personally don't think there are "significant" difference between "regular" vs. HM (I go back and forth between the two for our two daily cars). Does your manual indicate xW-40 or above? For your reference: 1...

Oh no..this must be the kind of oil that makes passenger cars explode because this is only for trucks and SUVs :) https://bobistheoilguy.com/forums/threads/rotella-gas-truck-oil-for-truck-only-am-i-crazy.351169/

Agreed..used Kirkland in the past when I didn't stock up. Wouldnt hesitate to use SuperTech (I think they are the same ones from Warren, including Amazon). Oh, except for our Subaru Outback - seemed to burn Kirkland and M1 more than other brands.

If you stock up during rebate period(s) - e.g., now for Pennzoil - not sure you can get more frugal :) For example, less than $60 bucks (w tax) for 2 jugs at Walmart MINUS $25 rebate =$35 ($17.5 a jug which is cheaper than Kirkland / SuperTech). As usual, I am sure M1 and/or Castrol (even...

I am not concerned with the dealer oil at all. HOWEVER, I did personally experienced TWO instances of dealers over-torquing drain bolts (during "Free / CPO" period). One time, I just couldn't unscrew it so paid the dealer to do it and told them to replace the stripped drain bolt (and charged...

Late to the party here...my last Subaru OB "cocktail" was Pennzoil 0w 20 HM + Castrol 10W 30 + Mobil 1 0W40...mostly 0W20 but needed to get rid of those leftovers. I have noticed 250HP gain and aero coefficient improvement.

I usually buy at Walmart as it is close or also delivers. I once bought 2 jugs of Castrol on Amazon and they were never delivered although the status says "shipped" for weeks. I guess I made a mistake of picking a third party vendor instead of fulfilled by Amazon. Got refund and don't plan to...

I was about to post the same....the "Best One" for me is the ones on sale / rebate (Mobil 1 last time, Castrol this time). Oh, I cover the label so that my car doesn't know the brand :)

Purchased on Feb 3 and just got an "approval" email.

2015 Subaru Outback 2.5 (with Fumoto) Out: @100K, PP 5W 30 with WIX (been using 5W 30 last few OCI instead of 0w 20 due to oil burning) In: @105.5K "Minor" Franken Brew of PP 0w 20 (4.2 qt), Castrol 10W 30 (0.4), M1 0W 40 (0.5) with WIX - wanted to get rid of leftovers

(Amongst numerous "over-torqued" drain plugs I have experienced) Back in 2021, my friend's brand new Subaru Forrester. Got his first oil change for "free" from the dealer (of purchase). For his second oil change (at my house), we tried over 2 hours to loosen the drain plug (with various...

2 orders (6 jugs total) arrived and pleasantly surprised. Sharing with a buddy who helps me on my cars....and donating some savings to this site :)

My order is now being shipped (vs local store delivery initially) The app s order details page says 3 pack but on the track shipment page it says 1....hopefully 1 pack of 3 jugs. Fingers crossed..

Ordered (with a few cans of brake cleaners which I needed) but now my walmart order says "delayed" - they were going to pick and ship / deliver from our local store but not sure anymore...fingers crossed. As I have a few jugs / bottles of the same, I was going to give a few jugs / bottle to...

For our Subie OB, switched from factory-recommended 0w 20 to 5w 30 mostly due to oil burning. The engine has not blown up :) In fact, the Japanese manual (for the same engine / car) indicates upto 40 weight oil. Did someone say CAFE?? ;-)

For 3K OCI, I wouldn't hesitate to use this or any "cheaper" brands (e.g., Amazon Basics, SuperTech, etc.)....I would think Mobil 1 FS may have a bit more moly and other more expensive additives. You may want to check VoA on this site (I vaguely remember but PUP had a bit more moly vs. PP). I...

As others indicated , you are perfectly fine with 1 year OCI - in fact, more than fine. If I had a car with less than 1000, then I would even stretch to more than 2+ years without a doubt. On a side note, an older (e.g., 2005 - 2007) Porsche manual says "2 years / 20,000 miles" as the OCI (they...