From: wade@cooler.net   
      
   On 8/18/20 12:26 PM, Chris K-Man wrote:   
   > Split Cold Tire Pressures: Front-to-Rear   
   >   
   > I understand the technical reasons for why some car makers specify different   
   cold tire pressures for the front and rear axles of certain models. My   
   question concerns those vehicles (except for the obvious: large SUVs and work   
   vans) for which different    
   pressures are specified, vs vehicles for which a single cold pressure is   
   recommended all around(all four wheels):   
   >   
   > IE: Makes and models with less of a Front/Rear GAWR(Gross Axle Weight Rating   
   ie: less than 55/45) - Audi, BMW, Mercedes, Subaru, etc., might specify up to   
   a 5psi difference for the Front vs Rear axle pressures, where as makes with a   
   significantly    
   higher Front/Rear weight split(60/40) - Chevrolet, Ford, Honda, Hyundai,   
   Toyota, etc., recommend a single pressure   
   > value for front and rear Axle - in particular front-wheel drive models.   
   >   
   >   
   > Typical late-model European sports sedan or wagon recommended cold tire   
   pressures: F/R: 32/36psi   
   >   
   > Typical late-model domestic or import front-wheel drive sedan or wagon cold   
   pressures: F/R: 30 to 36psi, all tires.   
   >   
   >   
   > My theory: The former are built for a more discriminating, enthusiast   
   driving demographic whom will pay more attention to such things as different   
   front/rear axle tire pressures, while the latter are built for the blue-collar   
   masses, whose main    
   priority is economical transportation in reasonably well equipped, reliably   
   built vehicles, and live a busy lifestyle where it is easier to remember one   
   PSI number - a compromise I'm sure - to set all of their tires to.   
   >   
   > What's your feeling behind this difference?   
   >   
   Ya' got way too much time on your hands, dude ;-)   
      
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