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I'm not an engineer but I think if you know the gear ratio and the input torque (via a torque wrench), you can calculate the output torque? Any engineers out there? Clearly the value of this tool is in loosening hard-to-loosen lug nuts which it does very well.

Here is the information sheet which came with my Lugwrench, the 58:1 ratio one. The website now has a video on tightening lug nuts that recommends using a conventional torque wrench. Maybe they don't use the chart anymore.

If you got the newer version with a different gear ratio, these numbers won't work. I'll be happy to scan & post it or email it to you.

Check out lugwrench.biz. I bought a torque multiplier from them last year for $160. It has a 58:1 gear ratio and all the sockets you need for a deuce. Removal is extremely easy and you can torque them back on by using a standard torque wrench with the multiplier. It comes with a form to tell you...