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> What tire pressure are you running?  The owner's manual and the shop
> manual of the +4 recommend 16-18 punds, which sounds rather low to me. 
> I wonder if tire pressure makes a difference on the wheel vibration
> problem and if the pressure should be different for bias ply vs radials.
 
Armando,
  I know.  I have a hard time thinking of 16#.  I had the tires at 
about 18-20#.  
  Don't know if there is a difference in pressure for the radials.  I 
ran about the same amount of air in them 18-20#
John
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 John T. Blair  (WA4OHZ)  - jblair@massolant.navy.mil   
 NAVMASSO Code 331        - Phone (804) 523-8133 (Comm) 
 1441 Crossways Blvd.                   565-8133 (DSN)      
 Chesapeake, VA. 23320-2843                             
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