On 18/02/2018 17:10, ultred ragnusen wrote:
> wrote:
>
>> He could be referencing the special torque bars that are used by many
>> tire shops. They look like an extension bar, but they come in
>> different thicknesses and are color coded to indicate the torque which
>> can be applied using each one.
>
> I just mean the right-angle simple bar extension that you have to have in
> order to keep the torque wrench away from the sidewall of the tire.
>
> You have to have an extension no matter what, because the torque wrench
> hits the tire sidewall because the lug nuts are on the hub but the tire
> sidewall sticks out a few inches.
>
> Even a deep socket isn't long enough, so the least I can add by way of
> extension is a deep socket plus a 2 or 3 inch extension bar (whatever I
> have that is shortest).
>
> I was asking if I used a 3 inch extension bar off the deep socket, or, if I
> used a 6 inch extension bar, would it matter for the torque?
>
> I think not - but I've heard people say use the shortest extension bar you
> can get your hands on. I don't understand why. It should be the same torque
> if I used a 16-inch extension bar, right?
>

no because some force will just be twisting the bar, Imagine a bar a
mile long, you twist one end with a known force, the other end would not
move.