I wonder if an alignment shop would know the difference or if they have to do something different to compensate for it. Carl http://www.robdiesel.com ----- Original Message ----- From: "Jeff Ingraham" <jeff_ingraham@xxxxxxxxx> Just to chime in here... My brother has had a 68 Chrysler 300 Idler arm on his 67 Imp for about 4 years with no adverse effects. The differences in angle and or length of maybe 1/4 of an inch was about the only difference between the 2 when you laid them next to each other.