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sammyg2's Avatar
 
Join Date: Aug 2000
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Sure looks like more than the 66.4 ft lbs recommended.
That is assuming the 930 bolts get the same torque as the same model year 911.

Last edited by sammyg2; 01-20-2005 at 09:01 AM..
Old 01-20-2005, 08:55 AM
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John W,

I was using Wayne's 911 Engine book. I'll probably never know root cause, however I speculate operator error (Hey, it can happen.) and my trusty Snap-On clicker (vintage 1971) deserves a calibration session.
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71 911T Miss Demeanor / 2013 Audi Q5 Hundeführer
Old 01-20-2005, 11:32 AM
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66ft lb? yes? no? just trying to clarify. come on, fess up.
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Last edited by john walker's workshop; 01-20-2005 at 02:01 PM..
Old 01-20-2005, 11:45 AM
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Gary,

hopefully 66 ftlbs! Please let us know as it will help diagnose.

I was also using two clicker style torque wrenches on my car. I found out the hard way (broke a cv bolt) that one was reading waaaaaay to light and one was reading waaaaay too heavy!!! I had to go back over everything with a T-Bar style wrench to set torque. FWIW...
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Old 01-20-2005, 12:25 PM
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Cool

OK guys OK... it was 88 ft-lbs and she said she was 18 and...

Wait. That's not right. Forget that last part... however, it's true... I torqued up to EIGHTY-EIGHT FOOT POUNDS!!!

Waaaahhh!

I did not refer to the Torque Spec Table and mis-read the text. In my (feeble?) defense I was thrown off by "..911s.." and interpreted it as "...911's...".

and lastly, did I say Thank You All for the input, even you ball-breakers. Thanks.
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71 911T Miss Demeanor / 2013 Audi Q5 Hundeführer
Old 01-21-2005, 06:12 AM
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Gary,

If it makes you feel better, I've never done that before!!! (yeah, right)
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David
'83 SC Targa (sold ) MANLY babyblue honda '00 F250 7.3L (MINE!)
'15 F250 Gas (Her Baby) '95 993 (sold )
I don't take scalps. I'm civilized like white man now, I shoot man in back.
Old 01-21-2005, 06:20 AM
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Glad the bolts didn't fail - I haven't heard of any others with problems.

Get that wrench calibrated (as I say in the front of the book). Otherwise your engine may fall apart or explode when you go to start it .

-Wayne
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Wayne R. Dempsey, Founder, Pelican Parts Inc., and Author of:
101 Projects for Your BMW 3-Series101 Projects for Your Porsche 911How to Rebuild & Modify Porsche 911 Engines101 Projects for Your Porsche Boxster & Cayman101 Projects for Your Porsche 996 / 997
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Old 01-22-2005, 01:07 AM
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How often should a torque wrench be calibrated ?
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Old 01-22-2005, 09:46 AM
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Our shop checks our torque wrenches about once a month but they are always fine so I imagine that once every year or so should be good enough.

The secret to keeping one from going out of whack is to set the torque setting down to almost nothing when its not being used.
Old 01-22-2005, 10:04 AM
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A quality wrench should come with a recommended cal schedule. Unfortunately it also depends on use and other factors. For home shop use or for that matter any shop use ALL new tools need 100% calibration by an independant shop. I have worked in a big time cal lab at Xerox when I was a student engineer. We calibrated 100% of everything new. We found an astounding number of things way out of spec. From $10 tools to $100,000 tools, no exceptions. After that, for home use, on a torque wrench, get two and cross check every once in a while, eg ck your 50 ft lb wrench at 50 against your 150 ft lb wrench. If ok use it. (This is a TOTAL NO NO for any commercial use and not a recognized cal technique, but for home use, what the heck)
Old 01-26-2005, 07:27 PM
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Quote:
Originally posted by snowman
After that, for home use, on a torque wrench, get two and cross check every once in a while, eg ck your 50 ft lb wrench at 50 against your 150 ft lb wrench. If ok use it. (This is a TOTAL NO NO for any commercial use and not a recognized cal technique, but for home use, what the heck)
Yup, all manuals and books say not to do this. HOWEVER, if you have a bar wrench like this one:



you can do that trick quite well...

-Wayne
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Wayne R. Dempsey, Founder, Pelican Parts Inc., and Author of:
101 Projects for Your BMW 3-Series101 Projects for Your Porsche 911How to Rebuild & Modify Porsche 911 Engines101 Projects for Your Porsche Boxster & Cayman101 Projects for Your Porsche 996 / 997
Coming Soon:
• SPEED READ: Porsche 911 (October 2018)
Old 01-28-2005, 12:20 AM
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