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This is the last thing I thought of when I bought a case of 12 ACDelco PF63E's for a Silverado with the 6.2L V8 L87. Long story short, I sold the Silverado after just one oil change (for my 6.7 Cummins powered Ram,) and now I have a case of 11 of these PF63E oil filters left over. I have one...

The factory fill Castrol 5w-30 was changed at 2,000 miles. I went with Hot Shot's Secret Gray Diamond Euro 5w30 which is an ACEA C3 oil. I wanted to go to a 5w40 based on my experience with my previous Jeep Grand Cherokee EcoDiesel, so I went with Motul X-clean Gen2 5w40. Ford F150 owners manual...

I have an F10 generation BMW M5 with a Turbo Valvetronic Direct Injection (TVDI) 4.4L V8, that has two variable geometry turbochargers running BMW's Valvetronic and Direct Injection. I just changed to Ravenol VST 5w-40 (LL-01) and was suggested to consider Red Line's Euro 5w-40 with LL-04 rating...

Attached is my first UOA on my new-to-me 2015 BMW M5 with 9,000 miles. The engine is a Turbo Valvetronic Direct Injection (TVDI,) twin scroll turbo 4.4L V8. The BMW dealer has apparently already performed three oil changes in the first 8,000 miles of the vehicle, so I think this vehicle has been...

With all of the talk about 0w20 vs 5w30, I found this particular study very interesting. I recently came across Ravenol DXG 5w30 for my Enclave V6 GDI engine, (which looks very interesting with Group V PAO, 6.0 Noack, and 256°C flash point.) Admittedly I'm a little on the fence with the 0w20...

Same viscosity, 0w-20. I have 2 or 3 quarts leftover of 0w-20 AP from my last oil change and I decided to go with M1 EP 0w-20 for my next fill in large part because M1 won't give a rebate on the AP this rebate period. That and the fact when I'm only going to go out to 7,500 miles tops on the OCI...

So GM is now using Mobil1's new 0w-40 ESP with dexos2 rating for all new 2019 Corvette's, and as you will see from a reply from Tadge Juechtner, Corvette Chief Engineer, he's recommending that all C7 Corvette's from 2014 onward switch from the previous 5w-30 recommendation to this new 0w-40 ESP...

I know this has been discussed before but I'm still uncertain on whether or I should change from 5w30 to M1 0w40 FS on my LS7 Corvette? GM seems pretty adamant in all of their literature to only use 5w30 DEXOS1, but I did notice in the '16 Cadillac CTS owner's manual that they say you can run a...

I've seen a couple of sites now who have tested the wear protection for Mobil 1 5w30 and Mobil 1 5w30 Extended Performance, and the numbers are quite different between the two: 118,000 PSI for the M1 5w30 and just 86,000 PSI for the Extended Performance variety. M1 promotes the EP product as...

I like the Shell Rotella T6 that I believe FCA is using on the EcoDiesel's now, but I see two other oils that I could go with from Mobil 1 at WalMart: Mobil Delvac 1 ESP 5w40 & Mobil 1 Turbo Diesel Truck 5w40. Big difference in the tech specs (from M1's website.) The Delvac 1 ESP has the new...

I noticed that WalMart started carrying these Mobil1 Extended Performance Oil Filters lately, but just last night I noticed that there is a new Mobil1 product that I have never even heard of, (or can't even find on their website:) Mobil1 5w30 Annual Protection. Label says "Ultimate Full...