From: wolverine01@charter.net   
      
   On 3/29/2025 3:01 PM, bfh wrote:   
   > sticks wrote:   
   >> These two stickers were on the drivers side door panel right next to   
   >> each other.  Seems to me they are contradicting each other, with one   
   >> saying the front should be 58 and back 61, and the other front 61 and   
   >> the back 58.  I think the white one is right with the front at 58 and   
   >> backs at 61.   
   >>   
   >>    
   >>   
   >> The black one looks like it might be from Mercedes, so I'll get the   
   >> book and see if it says anything on this.   
   >   
   > If it were me, I'd put 60 in all of them, and then start measuring tread   
   > depth across the tires. After all, how cold is cold, how accurate is   
   > your gauge, and how much difference can 3 psi really make to safety or   
   > handling? Unless maybe you're going to spend some time on a road course   
   > track with a max load.   
      
   60 would probably work just fine.   
      
   When I'm getting ready to take off on a long trip though, I do try and   
   get the tire pressures right, especially having the same across both   
   sides. I think Winnebago probably did some testing and decided on the   
   58F/61R and that's what I set them at.  The tires have a max of 80 lbs.   
      
   You are also correct about the accuracy of gauges.  My inflation tool I   
   found out is about 2 lbs. low on accuracy.  I was getting early wear and   
   cupping on my Harley.  I used to get 15K out of a set of tires, then I   
   was only getting 10K and the howling was nerve racking.  First time I   
   got new tires I also replaced the wheel bearings for safety.  Next set   
   same thing, only 10K miles.  That's when I figured out I had been under   
   filling them about 2 lbs.  Once I adjusted that I'm back to 15K for a   
   set of tires on the bike.   
      
   Talking to my brother who has a bigger type A, he was running his at 80   
   lbs. and it felt spongy to him.  A mechanic told him to go to 100 lbs   
   and it would be better.  He said it fixed the ride and even gave him   
   about 2 mpg more on his fuel economy.  That sounds awful high to me, but   
   I don't know what his tires are rated for.   
      
   I did check the Mercedes manual, and I'll be darned it does kind of look   
   like the pressures on the black image are what they recommend.  But this   
   is for an application of a sprinter type business van, and not an RV.   
   So I'll go with what Winnebago says.   
      
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