06 May 12 18:07, Mark Hofmann wrote to Roy Witt:   
      
      
      
    RW>> 8^) That's because on warm days, the oil's viscosity is thicker...   
    RW>>   
      
    MH> For some reason, I used to think it was the opposite since heat   
    MH> normally makes things thin out.   
      
   This is why, in the middle of winter, my dad would have to build a   
   bon-fire under the pan of his uncle's car before they would hand crank   
   it...   
      
    MH> If you use 5w-40 or 10w-40, the cold morning starts would be at the   
    MH> 5w or 10w weight though, correct?   
      
   Yeup.   
      
    MH> I would think that when it is cold outside, the oil would still go   
    MH> down and cause that lifter noise on startup.   
      
   Unless your engine had a block heater. That would keep the oil at a warmer   
   temp.   
      
    MH> I'm not aware of a 30w-30, but that might cause other issues.   
      
   There isn't one. 30w is 30w no matter what the temp is.   
      
      
                   R\%/itt   
      
      
     ... Only those who will risk going too far can possibly   
     ... find out how far one can go ~ TS Eliot   
      
      
   --- Twit(t) Filter v2.1 (C) 2000-10   
    * Origin: Roiz Flying \A/ Service * South Texas * USA * (1:387/22)