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torquing rocker studs

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Old Sep 3, 2007 | 08:58 PM
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Default torquing rocker studs

I know the spec on the rockers is 22 ft/lbs but my wrench only goes to a minimum of 25.... what to do?
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Old Sep 3, 2007 | 09:02 PM
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an extra 3 lb/ft isn't going to break them.....
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Old Sep 3, 2007 | 09:03 PM
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TQ to 25 and it will be OK. Or go to 25 and go 3 clicks back, thats how I do it. But 25 is ok too.
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Old Sep 3, 2007 | 09:04 PM
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25ft lbs isnt going to hurt anything but the thing is a torque wrench is the most accurate in the middle of its adjustment range so when its at the very bottom or the very top of its range it will not be "dead on" as much as it would be in the very middle. I still think you will be fine if its a good brand and in good condition.
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Old Sep 3, 2007 | 09:20 PM
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i didnt think i would break anything i just didnt know how that would affect the valves from goin up and down or whatever... i put it to 25, and backed it out like 1/8 a turn... its gotto be pretty damn close to 22, and its mac tools
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Old Sep 3, 2007 | 10:21 PM
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Theres not much at all in rotation difference in 22 compared 25 so I would just set it at 25 and that way you KNOW were its at
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Old Sep 3, 2007 | 11:24 PM
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Not trying to sound like a wise-***, but when was the last time you had your torque wrench certified? When you put it away, do you back it off to 0, first? If I'm not mistaken, the most common cause for rocker arm failure, is over torquing during installation. As everyone else said, I'm sure 3 lb/ft of torque isn't going to make or break your installation, as long as you KNOW your particular wrench isn't giving you stupid bad readings. It won't hurt anything to have it certified once or twice each year, depending on how often you use it, especially near 0, or close to its maximum rating. You might be surprised at how it checks out.

Although I haven't made a living at it for years, I was trained (trade school) as a machinist. One thing instructors constantly hammered into our heads, was to make damn sure your micrometers, verniers, depth gauges, bore gauges, etc., were REGULARLY checked against a known, accurate standard. I don't see torque wrenches any differently.
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Old Sep 4, 2007 | 12:03 PM
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Thats the way I was trained in machine school too. Always bring adjustable torque wrenches back down to "0" when not in use as he said.
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