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    1985 suburban mark iv 454 build. What oil do you guys like?

    What are your rod and main bearing clearances? If less than .003” xW40 will do ya. Did you install a high volume pump with the high pressure spring and pinned pump drive? The issue I have with 20w50 is the time it takes to reach the rockers then run down onto the camshaft. A scene often...
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    1985 suburban mark iv 454 build. What oil do you guys like?

    Just curious, what is your compression ratio? You mentioned a domed piston with a 109cc head. I’ll guess 9.7 - 10:1 depending on the size of the piston dome.
  3. U

    1985 suburban mark iv 454 build. What oil do you guys like?

    I supplied Howard’s in Oshkosh, WI about 300 of their lobes 20 years ago. None of them had odd numbers @.050”. 213/221 in at 108 Int -2/35 Exh 47/-6 if I still remember how to do the math. Just in case you’re one of those guys who blocks off the stock oil filter by-pass, use a #9100 filter...
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    New mobil 1 0w40 viscosity

    I’ll post the results of M1 FS 0w40 going into my son’s new 2012 F350 6.2L gas engine. He bought the truck with 224,000 kms two weeks ago. The OLM read 92%, the oil was clean and on the full mark. The oil fill cap is 5w20 and that’s what the previous owner used. 2016 and newer have a 5w30 oil...
  5. U

    Anyone running Large A/T tires that are "quiet"

    295/55r20 I have a set of studded Nitto EXOs on 20x10” wheels. The tread face matches up with 35/12.50r20. 275/60r20 are also 33s If you don’t mind a little taller, 285/60/20, 295/60/20 or the standard on F350s and 3500s 275/65/20. www.tiresize.com
  6. U

    Supertech 0w-40 5qt exists? But isn't for sale or at least yet?

    No, the evaporation loss will keep it in grade.
  7. U

    FOX coverage of NHRA Pro Stock Class

    There’s an old saying from the book of American Slang; The sun don’t shine on the same dog’s ass all the time.
  8. U

    What Hydraulic fluid has SAE 20W20 viscosity???

    Pick a THF/UTTO from any of the majors and look at the manufactures’ approvals. I picked J20C&D because it’s the one most people are familiar with, and if it passes that, 99% of the time it passes the others. Avoid brands that you’ve never heard of.
  9. U

    What Hydraulic fluid has SAE 20W20 viscosity???

    Perfect, around the block a few times right back to our first guess. I use J20C in transfer cases, power steering pumps and in my JD lawn tractor. Some guys use it in automatic transmissions on the drag strip behind their 6,500 stall converters.
  10. U

    What Hydraulic fluid has SAE 20W20 viscosity???

    SAE 20 ends at 9.2 @ 100C and SAE 30 begins. Hi-Gard is 59@40C and 9.4@100C, pretty much in the middle between an iso 46 and 68. Eaton service bulletin 3-401 states that the factory fill is equivalent to a 20w20 engine oil. Suggested replacement fluids are ATFs and UTTOs meeting...
  11. U

    need lug nuts for aftermarket wheels; 2025 Maverick

    14mm x 1.5 is the correct thread, but the wheel nuts are the wrong design for those wheels. Have a look at Ceco brand.
  12. U

    What Hydraulic fluid has SAE 20W20 viscosity???

    I don’t think it matters much. The last pail I bought was Castrol, the one before that was Shell and the one before that was Chevron. What are Ohio soya bean counters and Nebraska corn huskers using in their irrigation pivots?
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    What Hydraulic fluid has SAE 20W20 viscosity???

    THFs that meet John Deere J20C or a synthetic J20C & D blows that out of the water.
  14. U

    What oils are made in Canada?

    WPP on the bottom of Klondike jugs. I believe that to be Warren. Without cheating by looking it up, I’m guessing Omaha, NE.
  15. U

    Post your latest oil purchase or even filter.

    Add a 5L jug of M1 0w40, windshield wipers, 4 fish lures at $9 each, a package of half inch extensions and a funnel. After driving 1,200 kms last night, I met my son down town. The oil was down below add, so I topped it up before sending him on his way.
  16. U

    Most stringent HDEO spec?

    My gvw is 24,000 tons. Or 170 potash cars, which ever comes first.
  17. U

    What Hydraulic fluid has SAE 20W20 viscosity???

    THFs, tractor hydraulic fluids that meet J20C are typically half way between a 46 and 68.
  18. U

    CF-2 vs natural gas engine oil

    Chevron Marine 1000 has a BN of 12 and is probably available in five gallon pails. Their Taro series starts at 20BN and goes up to 50, but likely only available in 205L drums and larger.
  19. U

    Post your latest oil purchase or even filter.

    Today: 20L pail of Petro-Can 80W140 GL5 and six oil filters for my son’s new 2012 F350 6.2L. First Ford truck in the family, which just shows to go ya, never say never. The gear lube was $280 Canuck bucks tax included.
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