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What's Difference Between Inch-Pound Torque and Feet-Pound Torque?
I have a torque wrench and want to use it to torque the spark plug
properly. The instruction calls for torquing it to 20-feet-pound. When I read the torque rating of other fittings, I came across some rating as 60-inch-pound. What's difference between the "feet pound" rating and "inch pound" torque rating? Which rating the torque wrench is supposed to use? The instruction manual of the torque wrench doesn't say anything about this, and the rating imprinted on the wrench simply says "Pounds". Is 60-inch-pound the same as 5-feet-pound (60/12=5)? Thanks in advance for any info. Yes, I know that the torque rating is for dry thread, not for thread that has been coated with anti-sieze compound. I have already read the past posts about this. Thanks anyway. Jay Chan |