Torque specs for lug nuts
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Mandarin (04-17-2019)
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2018 E63S AMG
You could always just use a 2 ft long bar and hang a 50 lb weight at the end of it. That would place a torque of pretty darn close to 100 lb-ft on the lug nuts.
The 100 lb-ft torque using this method would of course only be nearly accurate when the bar is horizontal. The torque would be 0 when bar is vertical.
I say pretty darn close and nearly, in the above text because you have to integrate the weight of the bar along the distance to get the additive effect of the bar to the 50 lb weight, but the major contribution will be from the 50 lb weight unless you use a really heavy bar.
I have several different torque wrenches of various grades and after a while your hand gets fairly well calibrated and you can almost set them exactly without the torque wrench. But, typically I install the nuts to about 10 to 20 lb-ft under the target by hand then use the torque wrench to finish them off.
The 100 lb-ft torque using this method would of course only be nearly accurate when the bar is horizontal. The torque would be 0 when bar is vertical.
I say pretty darn close and nearly, in the above text because you have to integrate the weight of the bar along the distance to get the additive effect of the bar to the 50 lb weight, but the major contribution will be from the 50 lb weight unless you use a really heavy bar.
I have several different torque wrenches of various grades and after a while your hand gets fairly well calibrated and you can almost set them exactly without the torque wrench. But, typically I install the nuts to about 10 to 20 lb-ft under the target by hand then use the torque wrench to finish them off.
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Buy a beam style wrench... nothing to go out of calibration, and will fit the bill for everything you need.
https://www.sears.com/craftsman-1-2-...4aAue3EALw_wcB
https://www.sears.com/craftsman-1-2-...4aAue3EALw_wcB