Spark Plug Torque?
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Senior User
Joined: Aug 2001
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Ive read several threads that suggest changing them at 70,000. I haven't done it yet, but am seriously considering it if for no other reason than to just know it's been done. I haven't had the truck but a few months.
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One grunt will suffice...
I know everyone says "foot lbs" or "inch lbs" but have you ever wondered why??? It should be lbs foot. Load first then the distance required to do the work...
I know everyone says "foot lbs" or "inch lbs" but have you ever wondered why??? It should be lbs foot. Load first then the distance required to do the work...
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Wow, you do what you're talking about gmsux! For the rest of us torque is measured with a dead wight at a specific distance ford the center of the axis that is being torqued. IE one foot pound is a length of one foot and a weight of one pound hanging parallel to the earth.
John
John
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From: Reynoldsburg, Ohio
A link I keep on my desktop is this: Energy and Work Conversion - FREE Unit Converter Very cool for a lot of things--plug in your numbers existing or desired, units to be displayed and bingo, no math required! 
General point though about plug---they barely last 50K miles and anything above that costs you MPG's. Have a look at a set supposedly with 65K miles:
Decide for yourself. FWIW I torque mine to about 22 ft/lbs or lbs/ft, also your choice but my torque wrench isn't that particular about such things! I do use nickel-based anti-seize too, also another option and/or choice.
HTH
General point though about plug---they barely last 50K miles and anything above that costs you MPG's. Have a look at a set supposedly with 65K miles:
Decide for yourself. FWIW I torque mine to about 22 ft/lbs or lbs/ft, also your choice but my torque wrench isn't that particular about such things!
I do use nickel-based anti-seize too, also another option and/or choice.HTH
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thatdude
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