Torque

[Canadian1968CoronetR/T]

What is the proper torque for my 1968 coronet R/T lug nuts, with Mag 500 14" rims? I think I over torqued them, I put 140 ft lbs!! It is my belief it should be 100 ft lbs., asking for advice.

 

[440beep]

Per my 1969 Coronet FSM, its showing 65 ft/lbs, though it states 14" steel disc wheel.

 

[68GTX4SPEED]

A friend who is a tireguy said both steel and aluminum 88ft/lbs and so do I.

 

[WileE]

Your wheel must've screamed "Ow !"....

 

[67 coronet]

should be 85 foot pounds for any 1/2 inch stud.i run a tire heavy repair shop and have looked at many torque charts.if for some reason you have 7/16 studs(older car)then it would be 65 lbs.

 

[Canadian1968CoronetR/T]

I guess I had better back them off, to 85, hope I have done any damage. I may have been thinking of my truck, for the 140 ft lbs and it did not feel like it took a lot of force to get the 140, thou.

 

[67 coronet]

only damage you can do is warpage of wheel,rotor,or especially drums.if you get no vibration at speed(65 or so)and no vibration when braking you should be fine.ya,newer trucks have 9/16 or 14 mm studs and use much higher torque specs.