Are they serious?, 450 ft-lbs to torque egt??

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Old Apr 3, 2007 | 07:23 PM
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Question Are they serious?, 450 ft-lbs to torque egt??

This is a snapshot of the instructions for my Omori egt sensor. The part labeled "Nipple" is to be torqued to 70-110 ft-lbs which is understandable. But the part labeled "Bag nat" or bag nut whatever you wanna call it is supposed to be torqued to 450-500 ft-lbs!! Is it just me or does that sound ridiculous? Most of my friends torque wrenches don't even go past 150 ft-lbs! Should I just torque it in there by hand then bust out a huge breaker bar on it? Anyone else ever come across something like this doing their egt?
Attached Thumbnails Are they serious?, 450 ft-lbs to torque egt??-instructionscopy.jpg  
Old Apr 3, 2007 | 07:34 PM
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lol, so you dont think that could possibly be a typo??
Old Apr 3, 2007 | 07:50 PM
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Ya I figured but what would be a normal torque spec for tightening down the part I have pointed out in the pic above?
Old Apr 3, 2007 | 10:49 PM
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could it be lbs per inch? if so, divide it by 12... so it's 37.5 lbs/ft to 41.66 lbs/ft
Old Apr 3, 2007 | 11:01 PM
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forgot a decimal place? does 45-50 sound right for that part?
Old Apr 3, 2007 | 11:30 PM
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inch pounds maybe?
Old Apr 4, 2007 | 12:00 AM
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Originally Posted by MBasile
forgot a decimal place? does 45-50 sound right for that part?
still sounds WAY too much for a 14mm EGT cap-nut
Old Apr 4, 2007 | 12:03 AM
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I wasnt sure exactly what he was talking about so I was just guessing
Old Apr 4, 2007 | 12:10 AM
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yah
Old Apr 4, 2007 | 01:29 AM
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For clarification here's what it says:
Attached Thumbnails Are they serious?, 450 ft-lbs to torque egt??-img_0303.jpg  
Old Apr 4, 2007 | 08:25 AM
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There is a tool called a torque multiplier. It is in essence a giant torque wrench with gear reduction. For every unit of force, it multiplies it and that way you are able to torque things to super human torque specs.

Sounds like a typo though. Im sure the threads would come out of that nut long before you reached 450ft/lbs. Good luck
Old Apr 4, 2007 | 08:27 AM
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All those numbers sound way high to me. Consider all your exhaust bolts are spec'd to about 27ft/pounds?

Aren't these parts usually made of brass? 70-110ft/lbs will shred them.
Old Apr 4, 2007 | 09:21 AM
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I would call or e-mail Omori
Old Apr 4, 2007 | 07:43 PM
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^^^^ and we finally have a winner...... cant believe it took this long....
Old Apr 5, 2007 | 01:53 AM
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Go until it strips.. figure out what ft/lbs that was... then subtract 5 and reinstall a new one
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