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  1. mdocod

    5W-20, 0W-20 or 5W-30 for 3.6L Pentastar (Jeep)

    Do you believe those rocker issues can be resolved with a particular fluid selection (recommendations?)... I'm of the belief that those issues are more a result of quality control, bad parts batches, etc.. fiat stuff.
  2. mdocod

    HPL Engine cleaner / 2015 Volvo XC60 high oil consumption progress report

    The Volvo spec oil is hard to come by at reasonable prices but MB 229.71 is hitting the same or similar targets and is found on more products. If it were my volvo I would look for this spec if I wanted to run xW-20 weight. Also, if you wanted to run a xW-30 weight, there are several oils at...
  3. mdocod

    Searching for a single oil to run in three cars spanning 33 years of age…

    So... using the lubrizol oil spec comparison tool, I think MB229.5 represents a fairly reasonable "cross section" between your oil requirements. I would be comfortable running a 0W40 or 5W40 meeting MB229.5 in your 3 vehicles personally.
  4. mdocod

    Searching for a single oil to run in three cars spanning 33 years of age…

    The BITOG Hive Mind loves to ask the OP "why not X" as if something is implied, and to try to get you to say all the reasons that are going through your mind of "why not" so that they can systematically make you out to look like an idiot, rather than just answer the original question with a...
  5. mdocod

    Change of motor oil weight

    Another vote for QSUP 5W20 at only $21.48/5qt at the wallyworld. (or 5w30, either way should be fine)
  6. mdocod

    How much is enough? What’s good enough?

    Way I see it... an A3/B4 is often the same price at walmart as the API SP jugs sitting right next to it. ~$5/qt when purchased in 5qt jugs. If the car is port injected and either works hard a lot or is turbocharged, an A3/B4 is a good choice according to BITOGers. With that said, not all bottles...
  7. mdocod

    BMW i8 oil + filter recommendation

    I downloaded a PDF for a 2019 i8 and found this on page 234: These are both high TBN formulations intended for extended drain intervals. LL-14 FE+ calls for HTHS 2.6 or greater, usually found in xW-20. LL-01 FE calls for HTHS 3.0 or greater, found in most xW-30. Specific mention of the...
  8. mdocod

    same brand, but which one is the better oil?

    All other things being equal, a "20K" or "extended protection" version of a product is usually a "better" formula than its "non-extended-life" ... but that depends on whether BITOG can agree on what constitutes "better" as it depends on application... The Dexos 1 Gen3 + "20K miles" claims on...
  9. mdocod

    Oil Recommendation 2005 GMC 6.0 V8...

    Value options: Order online price, pickup in store (wamart): While you're there, Fram and Supertech 3506 filters are about $4 each and will work fine. ------------ If you want to wine and dine it: "upgrade" to a Fram XG3675 (larger filter with premium guts) or M1 or other brand "20K"...
  10. mdocod

    Is 5W and 0W essentially the same flow/lubricity at 40-60F +?

    In general, if you take a bunch of oils that are otherwise meeting the same other specifications, a 0W20 and 5W20 viscosity curve will be slightly different on average throughout the temperature range. I don't know why there are some members here who like to try to pretend like this isn't case...
  11. mdocod

    CHECK YOUR TIRE PRESSURE!

    Swapped to my "winter" tires on the H3 last night after thanksgiving festivities as the snow started to fall. Door Sticker: 35PSI for 285/75R16 LT because 35PSI is the "minimum" for LT tires and universe ending paradox occurs below 35PSI... or something... I run 315/75R16, which, at 35PSI...
  12. mdocod

    5W-20, 0W-20 or 5W-30 for 3.6L Pentastar (Jeep)

    I'm under the impression that most pentastars can run fine on either weight and the various failure modes of these engines that might appear to be lubrication related probably aren't related to the oil viscosity and are more likely related to monday morning hangovers at the...
  13. mdocod

    Going conventional

    The walmarts around here started carrying a quaker state 5qt 5W40 A3/B4 for $23.... Something like that in winter, and then the cheap supertech 15W40 HDEO in summer... I think those would be fairly easy/cheap options to step up to a 40 weight and keep other characteristics "rich."
  14. mdocod

    What’s anyone’s experience with these options for SUV tires?

    To my eye, there are a few things I like about each tire for different reasons... Between those 2 specific tires, I would expect the LX25's deeper tread and softer rubber to deliver better traction and less noise in most conditions, except standing water/slush maybe wet ice (temps over...
  15. mdocod

    Lt or p on f150

    Most trims of 1/2 ton pickups these days comes with SL or XL tires for comfort and fuel economy reasons, but some, especially certain offroad or towing packages may come with LT. If I were going to use my F150 to do a lot of heavy work at the limits of the intended loads/capacities, and run it...
  16. mdocod

    Just bought some Goodyear Wrangler Radials. How are these tires?

    The price sure is right!!! The tread pattern looks like it would provide usable traction on dry dirt and dry pavement, have poor hydroplaning resistance, and make more noise than the average A/T tire. If they are still using the same rubber from when these tires were originally release...
  17. mdocod

    Tire Reviews: Wide vs Narrow Winter Tires Tested

    Your summer tires are 92XL, your winter tires are 93XL, both are the exact same diameter. The tire pressure requirements to carry the load at speed safely are very similar, so you shouldn't be changing pressure much between these tires. 1-2PSI lower on the winters would be fine but much lower...
  18. mdocod

    Tire Reviews: Wide vs Narrow Winter Tires Tested

    The S60 T6 OE tire/wheel size is 235/40R18 95XL and calls for 38PSI for GVWR and high speeds or 33PSI for lower loads and lower speeds. The same car, fitted with 215/60R16 95SL can (and should!) run 28-33PSI for most conditions. This tire size carries the same load at lower pressure, and if...
  19. mdocod

    Tire Reviews: Wide vs Narrow Winter Tires Tested

    If the door pressure is correct, then how come there are 2 different pressures on my door panel for different loads and speeds? The European manual for my S60 has pressures from 33-44PSI listed for different combinations of speeds, temperatures, tire sizes, and loads. The "correct" pressure is...
  20. mdocod

    Tire Reviews: Wide vs Narrow Winter Tires Tested

    The conclusion of this video can be summarized as "Contact patch shape doesn't have a huge impact on groomed/plowed snowy/icy roads." My experience through my 25 years of driving Colorado winters (many of those years driving 8-12 hours a day on snow days delivering pizza), driving mountain...
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