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Rotella Diesel, T6 5w40. I've been M1 0w40 or T6 5w40 since 500 miles.

Dear gaud "wont somebody please think about the children".

CR is a completely illegitimate and objectively biased organization. I remember my father buying the magazines in the 80-90s for info on which power tool, washing machine, or lawnmower to buy. Without fail, whatever their recommendations were ended up being expensive, disappointing, and just...

Bottom line: There's still no consensus and he makes his money by not bucking the manufacturer's status quo, and saves his money (avoids litigation)by not recommending against the manufacturer's status quo. [end of his summary position] And, even with great add-packs, the thicker oil always...

Yeah, one of my neighbors is a junk-hauler too. He only does it on the weekends though. Do you have a day job, or have all those miles been accumulated hauling?

LOL. That's the best and most genuine compliment I've gotten in a long, long time. I try and look at these things objectively. Probably better than 99% of oil-related engine failures are from folks failing to check their oil level, resulting in oil contaminate concentration cycled through...

Yeah, you got lucky. Lucky that the ZF8 is objectively the greatest modern transmission ever created and that you drive a lot of highway miles where the converter is locked and there’s no heating or sheering forces beyond the pump and simple rolling resistance. I would not classify your results...

I fill to 6 quarts intentionally, and use 0w40 or 5w40 oil. No crank strike at 6qts. No negatives at all from filling to 6 quarts, only positives. The factory transition from 6 to 5 quart fill directive was based on environmental scoring targets, not for any engineering purpose. This is true...

Negative. I may this summer and I’ll report the findings if so. It doesn’t really matter though, because even if it started throwing metals, I wouldn’t switch back to 0w20. No reason for me to pretend. The UOA would just be for posterity.

M1 0w40 immediately upon purchase. Now Rotella T6 5w40 simply due to it’s universal availability. I’d be happy with any HD diesel oil though. Factory coolant. About 25k miles or so now. All is well.

No, not for the 0w40. I’ve been continuing to run Rotella T6 5w40. The 0w40 euro has just been too damn hard to find without having to overpay. T6 is universally available, very cheap, and a genuinely decent oil. Pentastar are great engines. FWIW, both M1 0w40 and T6 5w40 shear to 30w...

Generally, yes. The shock determines 90% of ride quality, feeling, and performance. Spring rates vary much less than people realize, I think. Unless a “triple rate” spring is a brand name or slang, like a “3/4” race cam”, a triple increase in spring pressure would be outrageous and...

If you look at the big three's financials objectively, you'll notice their debt burdens are simply ludicrous and not likely to ever be paid back --they are all whistling past the graveyard. They and all their investors are counting on being classified as too-big-to-fail, during the next crises...

Carefully pressure-wash or use a leaf blower the to clean off the affected engine surfaces before you begin disassembly. There is a lot of trash that accumulates around the intake ports and in the valley. Let the air out of the front tires to drop the working area down by 6in.

I've run M1 0w40 Euro or Rotella T6 5w40 Diesel oil in my 3.6 from new. This drives many forum members bats__t crazy when I mention this. There are some threads that have documented this approach over the years, including some UOA. I have not noticed any MPG changes from oil weight and my...

Many people don't understand that the O-ring will seal the housing even if you left it unscrewed by 3-4 rotations. I run my cap down to zero, then back it off very slightly so its not really under any serious clamp-load force against the housing. My housing to cap interface is tight enough...

I agree with this in principal. The broader statement I was trying to convey was and remains this: Pentastar, after closing in on perhaps 20 million units in service, do not have any oiling problems related to cold start. This oil filter widget is not remotely necessary or beneficial on any...

I want to genuinely apologize to all of the very soft people who's feelings I have devastated unfairly...

A troll post would be recommending someone with a perfectly good 99% rationale-trail capable JT molest and destroy their vehicle to look like something you pine after from insta-fame, myface, tictac, or some other fake life social media spot. "If you don't have 44's and e-lockers, you cant...

Drop-ins are objectively better for actual work. They absorb impacts much better and after you pull them, the bed looks brand new. I’ve had them all. Currently I have a factory spray. If I used my bed for more that grocery’s and harry-homeowner duty, I’d find a drop-in like a responsible adult...