I recently purchased a 95 Mustang GT. I have a vibration from 90 MPH and up. I've pinpointed it to the diff. The gears were changed to 3.55's, but the set up was not well done. I checked the backlash and I have .020 backlash, which I think is too much. I checked my shim thickness, LH 0.251, RH 0.388. I want to bring the backlash down .010. So, I need to reduce .020 on the left and add .020 on the right. I need 0.231 on the left and 0.408 on the right. Ford does not make the shims in these sizes. I'm assuming the pinion is set too far out. So my question is, Is there some kind of calculation, or does someone know how to set the pinion depth, with the info given, so I can adjust the backlash properly with the side shims available? So that I do not have to buy the tool to set pinion depth. Example, adding a .005 shim to the pinion to get less backlash. In other words, adjusting the backlash with pinion depth. I know, this one's a doozy. Thanks in advance, Steve
- posted
18 years ago