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Everything posted by Grumpy Bear
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Oh I just saw this in a search for something else. You failed to mentioned that you approached me and offered the service at a deep discount to court sale of that business to me. (Should I publish those emails?) And why did you court me? Because I know my stuff. Because you wanted to remain hidden. Because you needed endorsement from an established member in YOUR FIELD to be legitimized from the shadows in a forum you just joined. I "Outed you"? You tried to USE ME. I've leaned NOTHING from you but how much contempt you have for nearly everyone in the business that disagrees with your method. The truth is not in you.
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New bulletin/Campaign 6.2 L87
Grumpy Bear replied to tbarn's topic in 2019-2026 Silverado 1500 & Sierra 1500
Ah! Wow, am I slow. LOL. Thanks! -
New bulletin/Campaign 6.2 L87
Grumpy Bear replied to tbarn's topic in 2019-2026 Silverado 1500 & Sierra 1500
What does this mean. I lead a sheltered life. I mean, now does this work? -
New bulletin/Campaign 6.2 L87
Grumpy Bear replied to tbarn's topic in 2019-2026 Silverado 1500 & Sierra 1500
Almost all the "improvement" as these standards progress is rooted in cleanliness testing and lowering NOACK values. And these 'improvements' are fractional. The R spec oil difference is not the HTHS value. In fact is sits right at the very bottom of the J300 spec for its classification. What is different the ZDDP level. 900 ppm minimum both Zn and Phos, W40 oils are not subject to the SP limits And it's SSI value (Shear Stability Index). A quirky little ambiguous value that says I suffer little "permanent shear" but who knows how much "temporary"...the part used to qualify "Energy Conserving". What some call a 'feature" that I call a flaw. This non-sensical word salad is why I pay little attention to licensing and a lot to testing. Well, that will wipe a bearing out. Yea, oil won't fix that. Guess that is why they said "after inspection'. Point of clarity. Bearing clearances generally follow the formula a thou per inch of diameter and have since the dawn of the ICE. "Many" thousands and it would be locked upon assembly. Half a thou under minimum is killer. Yea, I know, it's the Internet. -
New bulletin/Campaign 6.2 L87
Grumpy Bear replied to tbarn's topic in 2019-2026 Silverado 1500 & Sierra 1500
Absolutely! But what it can't be, is absolute and also random if we are going to make the unfounded claim the it is "metallurgy'. Lack of foundation your Honor! Absolute and random are incompatible. And I don't think I've heard anyone say the failure rate is 100%. Or even 10%. You couldn't get GM to say if they had a mouthful. I also haven't hear @newdude offer his observations made during teardowns and/or warranty inspections. If someone has 'real' recon on this....this would be our guy....right? Dirt? Clearance issue? Batch specific metallurgy would have been traced and trapped by now and those specific units recalled. They may not be telling him Diddly but he has eyes and is quite capable of unbiased observations. What has my feathers ruffled is so called "Science Guys" reading chicken bones sprinkled with bat blood chanting Vo Doo mumbo jumbo looking for sign. It also irks me that they like to "Say a thing to truth". Make false claims about what is and isn't said and building arguments based on unrealities. He's a member of the KKK. I have no proof but If I say it so, its so. All very Trumpian. -
New bulletin/Campaign 6.2 L87
Grumpy Bear replied to tbarn's topic in 2019-2026 Silverado 1500 & Sierra 1500
Read my posts again. I said more viscous oil prevents parts from touching parts in an otherwise healthy engine BETTER. I stated oil can't fix a damage engine. That if it's healthy the cure was given by ENGINEERS. Yet the only part anyone heard was something I didn't say. Argue is what ya want to do. Not what I want to do. -
New bulletin/Campaign 6.2 L87
Grumpy Bear replied to tbarn's topic in 2019-2026 Silverado 1500 & Sierra 1500
Young man you misunderstand. I have no need to prove anything. Keep doing what your doing. It will guarantee you will get the same results. I run Honda's on 5W20 for very long service lives. A 1.6 Honda HX is not the same as a GM 6.2 in any way but sharing the idea of being a ICE. Why keep looking at all variables as if they are not? I digress. What did GM ENGINEERS say the issue was and what the repair is? I said what I said. You are not arguing with me. Your argument is with GM. -
New bulletin/Campaign 6.2 L87
Grumpy Bear replied to tbarn's topic in 2019-2026 Silverado 1500 & Sierra 1500
It's bearings, correct? Under what régime are mains and rods lubricated? If there is sufficient 'film' then I ask by what mechanism are two parts that are not in contact wearing? What is the logical conclusion? Parts are touching parts that shouldn't be touching! And what ENGINEERING solution is GM offering? [Quote from Safety Recall N252494001] [Close quote] Oil won't fix a damaged motor so first they must pass inspection and once the unit has cleared? ENGINEERS determined that in a healthy motor more film = more protection...from? Parts touching parts that shouldn't be touching other parts. How do we get more film? VISCOSITY MATTERS. How many straws does it take to break a camels back? Stribeck...what part of the Hersey equation changes between these two motors? (5.3 v 6.2) BMEP x leverage. Keep jacking up the load and lowering viscosity and eventually you cross a line. THE line. BMEP (More load), stop start (dry starts), taller gearing (lower velocity). Matched with lighter oil, hotter oil and water. How many straws does it take? Does it tell you in the manual to use a heavier oil when towing? If it were metallurgy they ALL would fail. Robots assemble these things now. Can a robot do randomly OPS? The ENGINEERS told you what the problem is...believe them. Protect the motor, not the warranty. Or not.... Funny that when a consumer increases viscosity it is the end of the world as we know it. "You can't do that, you will mess up the passive VVT controlled EGR and the AFM/DFM won't work right and break" they say. But it all works just fine when GM tells you to in a motor they didn't spec for it. People will argue with God to keep from being wrong so why stop with an engineer. They wont win, but they will try anyway. -
New bulletin/Campaign 6.2 L87
Grumpy Bear replied to tbarn's topic in 2019-2026 Silverado 1500 & Sierra 1500
The defect is the 0W20 oil Name it...the exact metallurgical ISSUE. Can't be done. Again, attempting to 'say a thing true'. . PROOF! and failing motors is proof only that they are failing. REASON...LOGIC.... Not the OEM's first rodeo on oil related failures. Anyone remember taking all the Phosphorus/sulphur out of flat tappet cammed motors just before roller cams became standard fair? And the hideous number of lifter/lobe failures? NOT metallurgical. Motors are not moron proof. -
Still over three dollars.
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For this late in the season we had a cold rainy windy day that just begged for some comfort food. Tomato Soup and Grilled Cheese This more of a though on a single ingredient. The cheese. Local specialty grocer had a Double Cream Gouda that a toothpick sized sample had me buying a wedge of. Also had some fresh baked whole grain in the Italian Demi Loaf style and some good butter. Nothing fancy really. Just a good marriage between three real high quality ingredients nicely pan toasted without the usual "Grown Up" amenities like avocado and bacon or six kinds of cheese. Just let the cheese shine and this was a very pleasant surprise. Now if I could find a well aged brick of this stuff....Dare I ask?
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Ya know that was for the servants, right?
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OCI, not when but why?
Grumpy Bear replied to Grumpy Bear's topic in Maintenance, Oils/Fluids, Detailing & Rust Prevention
API SQ https://www.fuelsandlubes.com/fli-article/api-sq-category-advances-amid-debate-over-sulphated-ash-limits/ And what would this have to do with OCI length? CHANGE API service class SC was on it's way out when I started driving and maintaining. https://www.sae.org/publications/technical-papers/content/670019/ And what would ring face geometry and facing type have to do with OCI length? CHANGE Ditto aluminum motors and the OEM use of Roller Cams and Spray bores and....and....and... Oh and not knowing what tech is in what motor until way to late! What experience should have taught one that was paying attention was; leaning on it can put your equipment in the boneyard. Somewhere along the way we got this stilly notion that the OEM's and the API and the Regulators have our EQUIPMENTS best interest in mind and that they never lie. IF one believed that then they put their head down and swallowed the extension of thought that every change was BETTER for the equipment. YOU HAVE TO KEEP PROVING IT BECAUSE IT KEEPS CHANGING! -
OCI, not when but why?
Grumpy Bear replied to Grumpy Bear's topic in Maintenance, Oils/Fluids, Detailing & Rust Prevention
Seems I haven't. To keep proving is an acknowledgement that it WAS proven and that proof was accepted as true and now I should move on to something other. How gracious. And yet you, in he face of the facts, prefer to cure leukemia with leaches. But wait, that isn't good enough. You want everyone that disagrees with the use of leaches to refrain from hearing, seeing, or speaking. Censorship is your gig here? How about you just change the channel? Is that a workable solution? No one forced you to read the link and I didn't comment on it. I offered it. We already have joke thread to post your funny videos too. -
OCI, not when but why?
Grumpy Bear replied to Grumpy Bear's topic in Maintenance, Oils/Fluids, Detailing & Rust Prevention
Question. How do you think a medical diagnosis taken from a laypersons reading of Woman's Health or 16 Magazine stacks up against a Harvard Medical PhD? Or anyone in the top 50 on this list? https://edurank.org/medicine/ I'm going to take a step off a cliff here. You chose both your oil and your OCI based on??????????????????????????? Marketing!? Vast personal experience? Hey, most people do. That is a boat rowing downstream. Make your argument with DATA and not your gut, then you will get my attention and can post your Demi Lovato wise crack. -
185,485 Mile Services 4/17/2025 OEM Bridgestone Dueler 684 II's went 125,363 miles and and dated out 8/18/2020 at 5/32" and were replaced with (When the price at time of replacement doubled): Now retired the Pirelli Scorpion Verde All Season Plus II P265 65R17 at 60,122 miles, 65K warranty and on track to make those miles with ease. 5/32 remaining Just short (4 months) of 5 years old. Weather checking between the ribs but very serviceable yet. Very comfortable tire that did all I ever asked of it. No longer in production. Installed Solaras (Cooper) Starfire P255 70R17. 50K warranty. All new TPMS sensors. Road Force Cross Balance. Road force values 1,1,10,15. Little weight required. Under 3 oz all four wheels. Set 35 psi. In its last year of production. Load check on OEM battery now 10 years old. Rated 730 CCA, Measured 595 CCA. 12.39 volts. State of Health 81% State of charge 73%. I was told to take her for a nice long drive and keep going. Lots of life left.
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Yea, that makes sense. Thanks!
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Morten Andersen New Orleans 1982-94; Atlanta 1995-2000, ’06-07; New York Giants 2001; Kansas City 2002-03; Minnesota 2004 6-time All-Pro, 7-time Pro Bowler Career success rates: 79.6 percent FG (565 made), 98.8 percent PAT 2,544 career points in 382 games (25 seasons) Pro Football Hall of Fame, Class of 2017 Andersen was the premier kicker throughout the 1980s. It was his longevity that made him a legend that kicked in three different decades. Second kicker elected to the Pro Football Hall of Fame, Class 2017 Kicking a football is an exercise in ballistics. Right power at the right angle in the right direction are all mathematically calculable. The theory is solid. But Morten didn't get to be this good leaning the theory. He may not have even explored it until he became a professional. He practiced allot! That made him a very good kicker but....it was his mistakes that made him great. Man a can read the stadium, the wind, the temperature the opposing lines ability and stature, his holder and long snappers timing and placement, the turf, his shoes, how he feels....... Everything that holds influence over the theory and learned through practice and the experience of making mistakes. Yea, mistakes are good, invaluable...Soooooooooooooo What's with the condemnation and ridicule of a person when they make one? What made Mr. Anderson exceptional in greatness wasn't just the fact he could learn from his mistakes but that he didn't have to make it repeatedly to get the point. Man was a rapid study, quick learner and never let his pride get in the way of learning, improving, adapting. He just didn't hold on to things that no longer served his trade in spite of the experts.
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OCI, not when but why?
Grumpy Bear replied to Grumpy Bear's topic in Maintenance, Oils/Fluids, Detailing & Rust Prevention
Have a cuppa and enjoy the fact I'm not going to add comments to this. https://www.machinerylubrication.com/Read/562/oil-change-filter-sensors -
Blackstone Labs Learned something new. And I was WRONG AGAIN. Something I am often and proud of BTW. Can't learn if I refuse to be wrong. When I read in a report from Blackstone that the Universal Average is, ........how do they say it?: [Quote] Our averages show typical wear from this type Mitsubishi after 5,500 miles. [Close quote] So...not per 5.5K interval but wear metals over all OCI's, just after the 5.5K engine life point? Kiddo's, that is less than USELESS and tells us NOTHING. Zero point of reference. I'm really starting to HATE EXPERTS. Know what was useful? Lake Speed Jr. saying 5 ppm per K miles (normalized) is the upper limit of acceptable wear RATE. Yes, after running in or when the curve has descended to bottom. Still falling? Still running in!!
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Sugar Bears 2015 GMC Terrain SLE-2 2.4 AWD
Grumpy Bear replied to Grumpy Bear's topic in Member Build Threads
270,000 Mile Services 4/14/2025 1K mile OCI Less than a quart low. 5 Quarts Castrol Euro 5W40 Tire rotation and pressure set. -
This is silly here. $3.05 lowest non-Top Tier to $3.59 highest (Mobil). Leak/shutdown in/of the Keystone Pipeline the blamed cause. Oddly I've found one Shell V Power Nitro + 93 as low as $3.70! And most under $4.00. Local E-85 at Meijer is $3.05...that's nutty.
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Transmission temperature 4l60e
Grumpy Bear replied to Robby Shutts's topic in 2000-2014 Silverado HD & Sierra HD
If you have to ask if it is slipping, it isn't. Your temperatures are quite normal for the OEM set up. Would it live longer a bit cooler? Likely. Something under 160 F is perfect. Under 175 F sustained is tolerable. Coolers in the radiator have been pretty standard since the early 1960's. https://www.rockauto.com/en/moreinfo.php?pk=7505452&cc=3000997&pt=2200&jsn=660 That thermostat will get you in the ballpark without adding a cooler. Or Stant 15150 -
Some Assembly is Required
Grumpy Bear replied to Grumpy Bear's topic in Maintenance, Oils/Fluids, Detailing & Rust Prevention
I think vehicles now come as starter kits and Some Assembly is Required After getting back some UOA results and unhappy with the silicon levels and knowing this unit is only a few months oil I went on a hunt for places for stray air/dirt to enter and found two without much effort. Air inlet filter gasket. New and different filter with a thicker more compliant seal is a starting place. The second was the dipstick. Really loose fitting in the tube and the "O" ring sloppy in the groove. Think if I tuned it upside down it would have fell out so.... I made a tool with the "O" rings exact radius, chucked it up in the lathe and cut a second ditch above the lower original placement that was also not as deep. This is a snug and vacuum tight seal. The cost if done with one "O" ring and just a proper groove would be ZERO and on display is manufacturing's "I don't care" attitude.
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