mgjessop
New member
Hi Guy's,
I have a 2005 3500 158 with 195/70/15... I have the 3.72 rear end... I bought a full set of six 16x6 steel wheels off a friend who put custom wheels on his Sprinter Motor home... I was thinking about going with 215/85/16 the same size that is on the 2007-2008 year model... When my speed say 60mph I am going 54mph on gps... It will be a 18% difference on my speedo... Which should lower my rpm by 18%... I can only go 77mph top speed, it says I am doing 85mph but the gps doesn't lie.... Does anybody run this size?
I have a 2005 3500 158 with 195/70/15... I have the 3.72 rear end... I bought a full set of six 16x6 steel wheels off a friend who put custom wheels on his Sprinter Motor home... I was thinking about going with 215/85/16 the same size that is on the 2007-2008 year model... When my speed say 60mph I am going 54mph on gps... It will be a 18% difference on my speedo... Which should lower my rpm by 18%... I can only go 77mph top speed, it says I am doing 85mph but the gps doesn't lie.... Does anybody run this size?