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06-11-2003, 12:18 PM
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#1 |
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Registered User
Join Date: May 2000
Location: Flin Flon, Manitoba, Canada
Posts: 8,855
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breaking oil pan bolts!!!!
I am torqueing down my oil pan bolts to the recomended 80 Inch lbs and I have snapped 3 of them so far. Anyone else have this happen?
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My name's Tim and I'm a truckaholic My 56 Chevy shop truck build http://67-72chevytrucks.com/vboard/s...d.php?t=562795 |
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06-11-2003, 12:26 PM
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#2 |
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Resident Curmudgeon
 
Join Date: Dec 1999
Location: NH
Posts: 6,664
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Not to insult anybody but is your torque wrench set to inch pounds or foot pounds? 80 inch pounds is approx 7 foot pounds (12 x 7 = 84)
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Currently on or near the homestead: 67 Chevy SWB 2WD stepside 350/3 on tree (Pat's) 67 GMC SWB 2WD Fleet 402/auto (Brian's under construction) 67 Chevy 3/4 ton 2WD 402/auto (Business Hauler) 67 Chevy 1 ton dually 2WD 396/4 speed (Former business hauler, Needs TLC) 68 Chevy 1/2 ton Suburban 2WD 250 six/3 on tree (Brian's Needs TLC) 70 Chevy 3/4 ton 4WD 350/4 speed (Pat's - Disguised as a 68 GMC) 71 Chevy SWB stepside (Crushed by tree - parts donor) 72 Chevy 3/4 ton 4WD (Parts donor) 72 Chevy 3/4 ton 4WD Suburban (Parts Donor) 72 GMC 3/4 ton 4WD 292 six/4 speed (Mine - Disguised as a 67 GMC) 81 GMC 4WD Dually Dump Body 350/4 speed (Business Hauler) 82 Camaro Z/28 355/Super T-10 (Pat's toy) 93 Caprice 9C1 (Brian's Cop Car) 02 Toyota Camry (Reliable but a souless steel and plastic hulk) 2011 2SS RS Camaro M6 Factory Hurst Shifter  Maybe I need to sell some of this crap  Yet another Bozo with a sawz-all |
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06-11-2003, 12:31 PM
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#3 |
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Registered User
Join Date: May 2000
Location: Flin Flon, Manitoba, Canada
Posts: 8,855
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Yeah, i have one for foot pounds and one for inch pounds, It's all set right
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My name's Tim and I'm a truckaholic My 56 Chevy shop truck build http://67-72chevytrucks.com/vboard/s...d.php?t=562795 |
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06-11-2003, 12:42 PM
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#4 |
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Senior Member
Join Date: Jan 2003
Location: daytonabeach
Posts: 22,956
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if i was you i'd get some new ss bolts and recheck you're torque wench settings because they're barley beyond finger tight at 80inch'pounds, at that setting you shouldn't snap even plastic bolts
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71c-10 350/2004r/4:11 lowered3/4 longbed/dead by hurricane MEANING OF DEATH::::: SOMEBODY ELSE GETS YOUR STUFF DONT BELIEVE EVERYTHING YOU THINK TAKE MY ADVISE;I DON'T USE IT ANYWAY |
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06-11-2003, 12:43 PM
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#5 |
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Fabricate till you "puke"
Join Date: Jun 2002
Location: Ill
Posts: 9,403
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Possibly the bolts bottomed out, before they tightened?
 crazyL
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69 longhorn,4" chop,3/5 drop, 1/2 ton suspension/disc brakes,1 1/2" body drop,steel tilt clip, 5.3/Edelbrock rpm intake/600 carb, Hooker streetrod shorties,2 1/2" exhaust/ H pipe/50's Flows , 6 spd Richmond trans,12 bolt/ 3.40 gears.... |
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06-11-2003, 01:03 PM
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#6 |
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Registered User
Join Date: Nov 2001
Location: Springfield, MO
Posts: 2,932
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even if they bottom out you will still reach torque you just wont have any clamp load. and I agree 80 inch pounds is not enough to break anything...
Good luck
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Dave 1968 Custom Chevy with turbo charged 5.3 gen III 4l80e swap 1967-71 GMC 3/4 ton long step 4x4 (not sure what year exactly?) "A good friend will bail you out of jail...but a true friend will be sitting next to you saying "that was frekin awesome". "If it doesn't fit force it...If it breaks then it needed to be replaced anyway!" |
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06-11-2003, 01:47 PM
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#7 |
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Registered User
Join Date: May 2000
Location: Flin Flon, Manitoba, Canada
Posts: 8,855
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I figured it out!! operator error. I was using a buddys torque wrench that doesn't CLICK when it get to torque spec, this one just gives a bit. So I was tightening the sh@t out of them. What a dumbass!!!!
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My name's Tim and I'm a truckaholic My 56 Chevy shop truck build http://67-72chevytrucks.com/vboard/s...d.php?t=562795 |
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06-11-2003, 02:03 PM
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#8 |
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What if?
Join Date: Oct 2002
Location: Choctaw,Oklahoma
Posts: 649
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DOH!!!!!!!!
ouch i been there done that
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2002 red extended cab Silverado 2002 Wheatland yellow Suburban |
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06-11-2003, 02:20 PM
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#9 |
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Senior Member
Join Date: Jan 2003
Location: daytonabeach
Posts: 22,956
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you make a good case why not to lend or borrow tools
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71c-10 350/2004r/4:11 lowered3/4 longbed/dead by hurricane MEANING OF DEATH::::: SOMEBODY ELSE GETS YOUR STUFF DONT BELIEVE EVERYTHING YOU THINK TAKE MY ADVISE;I DON'T USE IT ANYWAY |
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06-11-2003, 03:13 PM
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#10 |
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Robert Olson Transport
 
Join Date: Oct 2002
Location: recent transplant to NC USA
Posts: 20,293
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lol hey i been there done that youll only curse three or four dozen times while youre drilling them out have fun!!!
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Bob 1951 International running on a squarebody chassis "If a man's worth is judged by the people he associates himself with, then i am the richest man in the world knowing some of the fine people of this board" http://67-72chevytrucks.com/vboard/a...t.php?f=25&a=9 (you can review the site rules here!) PM Me for your vehicle/parts hauling needs in the North East US or see my Facebook page Robert Olson Transport Live each day to the fullest.. you never know when fate is going to pull the rug out from under you... I hate cancer!! |
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06-11-2003, 03:25 PM
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#11 |
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Registered User
Join Date: May 2000
Location: Flin Flon, Manitoba, Canada
Posts: 8,855
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I had to heli coil one of them, the others came out fine. But i went back to check my timing chain cover because it was the same torque spec and 5 of them snapped off
So I think that calls for a little cursing @%&^$&^ &^%$)#$@@. There, I feel better ah well live and learn
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My name's Tim and I'm a truckaholic My 56 Chevy shop truck build http://67-72chevytrucks.com/vboard/s...d.php?t=562795 |
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06-11-2003, 04:44 PM
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#12 |
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Registered User
Join Date: May 2000
Location: Flin Flon, Manitoba, Canada
Posts: 8,855
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Got it all fixed up
good learning experience for sure
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My name's Tim and I'm a truckaholic My 56 Chevy shop truck build http://67-72chevytrucks.com/vboard/s...d.php?t=562795 |
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06-11-2003, 05:36 PM
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#13 |
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Weapons Of Construction
Join Date: Apr 2000
Location: Colorado, USA
Posts: 1,095
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OUCH! Sorry to hear about that Dubie...
A buddy of mine rebuilt an engine and used a cheap-@ss tiawanese torque wrench to torque the bearing caps. Galled several rod and main bearings because they were overtightened. That was an expensive lesson for him to learn.
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1971 GMC 2500, 402/TH400 4.10 Daily Driver Lafayette, CO |
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06-11-2003, 07:38 PM
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#14 |
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Registered User
 
Join Date: Aug 2001
Location: SOMERSET KY.
Posts: 6,427
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I LIKE TO USE 1" LONG 1/4" SET SCREWS AS STUDS FOR SMALL BLOCK OIL PANS & VALVE COVERS. THEY ARE EXTREEMLY HARD, CHEAP (AROUND 22 CENTS EACH), & MAKE INSTALLING THE GASKETS MUCH MUCH EASIER. NOW DON'T GET ME WRONG -- TORQE WRENCHES ARE A REAL MUST SOME THINGS, BUT I FIND THAT I DON'T REALLY NEED THEM FOR OIL PANS, TIMING COVERS, & VALVE COVERS, & I HAVE A SMALL FORTUNE TIED UP IN A COUPLE OF SNAP-ON TORQUE WRENCHES, THAT I LOVE TO FIND EXCUSES TO USE.
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junkyardjohn 69 1 TON TOW TRUCK // 84 4WD CUCV BLAZER// 85 1 TON 4WD STAKE TRUCK// 86 M1031 5/4 TON 4WD CUCV// ALOT OF OLD TRUCKS FOR ONE OLD MAN TO DRIVE.  THERES ROOM FOR ALL OF GODS CREATURES RIGHT NEXT TO MY MASHED POTATOES//LIFE MEMBER OF P.E.T.A (PEOPLE EATING TASTY ANIMALS) DON'T RENT U-HAUL ALWAYS TELL THE TRUTH IT WILL AMAZE PART OF THE PEOPLE & ASTONISH THE REST |
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