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  1. titanmax

    3 different 75w/90 gear oils, are they all similar enough?

    Thank you again everyone for your help. I also think that oil C could be a good choice for warm climate areas. I think for now that I will stick to one of the approved oils BUT I will continue to do research. If I was to send off a sample of 2 of the oils to a service like Blackstone for an...
  2. titanmax

    3 different 75w/90 gear oils, are they all similar enough?

    gruntguru, so if I understand you correctly you are saying that it takes more additives for the oil to remain less viscous at the lower temps? and that this higher percentage of additives will decrease the lurbrication/protection ability of the product? Obviously this would have benefits for...
  3. titanmax

    3 different 75w/90 gear oils, are they all similar enough?

    Thats what I was thinking originally but when I started to look at all the datasheets and compared the two approved oils with ALL the others (about 6 different recommended (by 3rd parties) oils) ..the two approved ones seem to be the only ones able to keep the viscosity this low at such low...
  4. titanmax

    3 different 75w/90 gear oils, are they all similar enough?

    Hey all, Thanks VERY much for the replies. Gruntguru, actually no the vehicle(s) won't see cold temps (I am in South Florida). romke, this is what I was mainly concerned about; that the warm/running viscosity of all three are pretty close but the 2 approved oils have a very different cold...
  5. titanmax

    3 different 75w/90 gear oils, are they all similar enough?

    Hey all, Having an issue trying to determine if gear oil C is similar enough to be a replacement for A and B. Oils A & B are both Porsche Approved for use in their trans axles and differentials but they are generally difficult/expensive to purchase. All 3 of them are GL5 rated but Porsche does...
  6. titanmax

    Wheel Load Ratings vs actual vehicle weight

    The first three weights from the off the shelf wheels are the same model/style wheel in various diameters. Only the largest diameter carries the 1980 lbs load rating. The manufacturer suggests only the 1980 lb load rated version for the vehicle in question. The sellers/dealers are the ones that...
  7. titanmax

    Wheel Load Ratings vs actual vehicle weight

    Thanks again for the replies. Lots of great information. I understand that when a manufacturer, especially one that has been around for a long time states that a certain wheel will work properly with a certain car or suv that all should be fine. I think we can pretty much take their word for...
  8. titanmax

    Wheel Load Ratings vs actual vehicle weight

    Thank you very much for the replies, VERY much appreciated. :) If I am understanding all this correctly the number given as a wheel load rating is based on the highest static weight vehicle that the particular wheel is intended to go on not the static weight that the wheel can handle determined...
  9. titanmax

    Wheel Load Ratings vs actual vehicle weight

    I am trying to determine how a Wheel Load Rating actually relates to the weight of a given vehicle. This would be related to selecting aftermarket wheels for passenger cars and SUV's in general on road use. Also, relating to dedicated track wheels where the actual vehicle curb weight plus driver...
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