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I had a boat for many years, never had a problem even with a 2 wheel drive 93 Silvy for 20 years. Good tires, proper use of the gas pedal worked. -
I read through that and I won't lie, my eyes rolled at some of the quirks about how it can turn off the trailer braking for example but I can see how it could help control or even up the torque applied to the ground with each wheel in a boat ramp scenario. But of course what it can't do is increase the torque to the wheels if the need is there as it ends up being like driving the four wheel drive version of a two wheel drive ( high range that is ). So far the neighbor that ended up with the 3.0 duramax with the max tow package which meant the 3.73 gears and high range only, I think its been doing ok for what he has been towing but doubt he ventures off into the soft stuff with his holiday trailer. He may have towed his dads river boat locally with it ( he always used his 6.6 duramax before ), I'll have to ask him sometime if he got into a lack of power to the wheels situation as after all that engine produces a lot of torque at low speed once the turbo winds out a bit and I think it has the 10 speed and if so they have a pretty good first gear ratio at 4.70 I see which is vastly better than the 3 or four speed overdrive models of years ago. -
I did shorter OCI"s for many years without an issue, fights sludge and wear IMO. Recently started using Amsoil, will not do the recommended/advertised miles between changes.
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It definitely seems quite evident that emissions and fuel economy targets rule above the best case scenario of what the engines best health and life could be otherwise. Items like DI and turbo DI engines with their LSPI issues as well as cats being reduced in life if the proper levels of certain additives were allowed to be utilized and so something has to be compromised and as you point out that is the engine protection from sludge, acid and wear which isn't in the manufactures best interest regardless to worry about in this race to profits from higher sales and so if the engines wear out sooner the next sale is closer at hand. I am hearing that its likely the two new 2027 GM half ton truck engines will call for a 0W-30 oil, now if that is an existing oil I would have to think so but we will see in the coming months. Sadly as you've pointed out to me, over the last number of years the push has been on to reduce the actual operating temperature viscosity within each designated viscosity grade so that 11.5 to 12 range for a 30 weight for example is more in that just above 10 range at 100c along with that temporary viscosity sheer dropping it even further down as per that "energy conserving" designation, not to mention how some oils are not as sheer stable as would be ideal and that mixed with a long OCI paints a picture with a little too much glitter shall we say !. All that and the warranty gods scaring the vehicle owner into sticking with that watery wine or risk loosing their warranty coverage if they go and use an oil that is of a higher viscosity even if it meets the emissions and LSPI requirements and would never damage the engine but may very well allow for an engines longer life depending on engine use scenarios ... high ambient temps, towing etc that push oils to their limits.
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