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Posted: 5/27/2022 6:17:17 PM EDT
[#1]
Only fucking morons think that ugga dugga shit is cool.
That's guaranteeing that somebody is fucking something up. Usually not for them, it's for the next sorry bastard that's gotta work on it. I've got a legit collection of torque wrenches now. |
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Posted: 5/27/2022 6:19:11 PM EDT
[#2]
I've always wanted one of the teeny pencil-style ones, I know I'm overtightening screws all the time.
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Posted: 5/27/2022 6:32:03 PM EDT
[#3]
Quote HistoryQuoted: Only fucking morons think that ugga dugga shit is cool. That's guaranteeing that somebody is fucking something up. Usually not for them, it's for the next sorry bastard that's gotta work on it. I've got a legit collection of torque wrenches now. To clarify, at least as far as my understanding of the slang, "ugga dugga" doesn't mean tightening the hell out of things as hard as you can, it means bringing it to a head and snugging it up to what feels like an appropriate amount without pulling out a torque wrench to check. Just because you don't use a torque wrench on everything doesn't mean there's going to be any problems. |
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Posted: 5/27/2022 6:42:02 PM EDT
[#4]
Heck yeah torque wrenches for the win.
I just bought a Fix It Sticks kit so now I have an inch pounds tool and used it on a suppressor end cap, should be nice for optics mounting also. |
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Posted: 5/27/2022 7:45:36 PM EDT
[#5]
I've built and repaired many things. Mostly using torque elbow.
I do own torque wrenches but rarely use them. |
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Posted: 5/27/2022 8:39:29 PM EDT
[#6]
Calibrating 1600 newton-meter ones was a pain in the arse.
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Posted: 5/27/2022 9:05:58 PM EDT
[#7]
Quote HistoryQuoted: Only fucking morons think that ugga dugga shit is cool. That's guaranteeing that somebody is fucking something up. Usually not for them, it's for the next sorry bastard that's gotta work on it. I've got a legit collection of torque wrenches now. Sorry you feel this way but there are many people that have been turning wrenches for many years that can get fasteners torqued without a wrench and be right where they should be. Those guys also know when it's time to pull out the torque wrench. Obviously headbolts/studs, lugnuts on alloy wheels, etc demand a bit mor precision. |
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Posted: 5/27/2022 9:13:52 PM EDT
[#8]
Quote HistoryQuoted: Sorry you feel this way but there are many people that have been turning wrenches for many years that can get fasteners torqued without a wrench and be right where they should be. Those guys also know when it's time to pull out the torque wrench. Obviously headbolts/studs, lugnuts on alloy wheels, etc demand a bit mor precision. Wrong. Use the torque wrench. You under torque my cylinder head bolts and cause me to lose a piston while in flight, I’m gonna land that plane and come straight to the hanger and beat the piss out of you. Ft/lbs matter. Do whatever you want with your lawnmower, but if the Mx manual for the precision equipment you’re repairing has a torque spec, it’s there for a reason. Takes 5 seconds to dial in the torque. |
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Posted: 5/27/2022 9:21:22 PM EDT
[#9]
Quote HistoryQuoted: To clarify, at least as far as my understanding of the slang, "ugga dugga" doesn't mean tightening the hell out of things as hard as you can, it means bringing it to a head and snugging it up to what feels like an appropriate amount without pulling out a torque wrench to check. Just because you don't use a torque wrench on everything doesn't mean there's going to be any problems. Quote HistoryQuoted: Quoted: Only fucking morons think that ugga dugga shit is cool. That's guaranteeing that somebody is fucking something up. Usually not for them, it's for the next sorry bastard that's gotta work on it. I've got a legit collection of torque wrenches now. To clarify, at least as far as my understanding of the slang, "ugga dugga" doesn't mean tightening the hell out of things as hard as you can, it means bringing it to a head and snugging it up to what feels like an appropriate amount without pulling out a torque wrench to check. Just because you don't use a torque wrench on everything doesn't mean there's going to be any problems. 25 years ago, new mag wheels (which sold a lot of) would get torque wrenches, everything else would get impact guns. I know tightened past spec but never had any problems. Bozos leaning into their guns never lasted long. Now I have a 1/2" ft*lb and 1/4" in*lb click-types for working on my bike. Hazard Fraught brand, but they've been well-reviewed. |
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Posted: 5/27/2022 9:23:52 PM EDT
[#10]
Quote HistoryQuoted: Wrong. Use the torque wrench. You under torque my cylinder head bolts and cause me to lose a piston while in flight, I’m gonna land that plane and come straight to the hanger and beat the piss out of you. Ft/lbs matter. Do whatever you want with your lawnmower, but if the Mx manual for the precision equipment you’re repairing has a torque spec, it’s there for a reason. Takes 5 seconds to dial in the torque. Quote HistoryQuoted: Quoted: Sorry you feel this way but there are many people that have been turning wrenches for many years that can get fasteners torqued without a wrench and be right where they should be. Those guys also know when it's time to pull out the torque wrench. Obviously headbolts/studs, lugnuts on alloy wheels, etc demand a bit mor precision. Wrong. Use the torque wrench. You under torque my cylinder head bolts and cause me to lose a piston while in flight, I’m gonna land that plane and come straight to the hanger and beat the piss out of you. Ft/lbs matter. Do whatever you want with your lawnmower, but if the Mx manual for the precision equipment you’re repairing has a torque spec, it’s there for a reason. Takes 5 seconds to dial in the torque. The post you quoted specifically said head bolts. Seriously, 25 years ago no one was pulling out torque wrenches for fucking lug nuts on steel wheels. I think you're overreacting a little. |
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Posted: 5/27/2022 9:24:18 PM EDT
[#11]
I torque almost every bolt when building engines, attaching wheels, and steering components.
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Posted: 5/27/2022 9:32:41 PM EDT
[#12]
I replaced the front brakes on our shitbox Altima last week. I put the calipers back on with a ratchet and tightened them up. When I was wrapping up the job I looked up the torque specs and got out the appropriate torque wrench. Holy shit, I had WAY overtightened the caliper bolts. In my defense, it's an awkward angle reaching into a wheel well and tightening something on the back side. I think the spec was like 25 or 27 ft lbs. God only knows how tight I had done them by feel.
I have several torque wrenches in 1/4", 3/8", and 1/2". When doing something REALLY high I just borrow a big one from the auto parts store. I know it gets abused but I imagine it's still in the ballpark. I always store mine on the lowest setting per the manual. Oh and fuck electronic torque wrenches. |
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Posted: 5/28/2022 7:47:06 AM EDT
[#13]
Quote HistoryQuoted: Wrong. Use the torque wrench. You under torque my cylinder head bolts and cause me to lose a piston while in flight, I’m gonna land that plane and come straight to the hanger and beat the piss out of you. Ft/lbs matter. Do whatever you want with your lawnmower, but if the Mx manual for the precision equipment you’re repairing has a torque spec, it’s there for a reason. Takes 5 seconds to dial in the torque. ROFL...you have experienced a serious reading comprehension failure. When you finish elementary school come back and read again. In the meantime, your dad should probably not let you fly aircraft until you learn to read. |
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Posted: 5/28/2022 8:55:46 AM EDT
[#14]
Maybe move this thread to GD, because it reads like it.
On one side we have a guy saying that being precise matters. On the other side, we have a guy saying precision is over rated and they can get the job done faster. Of course only after a lifetime of experience. Makes me wonder what kind of work was being done prior to accumulating all that experience? Then the personal reading comprehension attacks begin. Is that cultivated after a lifetime of experience as well? Quoted: ROFL...you have experienced a serious reading comprehension failure. When you finish elementary school come back and read again. In the meantime, your dad should probably not let you fly aircraft until you learn to read. With the bolded part, how exactly does this fit a non-GD thread about a torque wrench? |
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Posted: 5/28/2022 8:56:35 AM EDT
[#15]
Quote HistoryQuoted: I've always wanted one of the teeny pencil-style ones, I know I'm overtightening screws all the time. You'd be amazed at how little torque 15 -20 inlbs is until you measure it. And none of those tiny torques have slipped. |
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Posted: 5/28/2022 8:59:24 AM EDT
[#16]
Quote HistoryQuoted: Compared to ruining a scope mount and hours of working a fix, which I did because I never took the time to get a proper torque wrench till I did, those wrenches are cheap and easy to get. You'd be amazed at how little torque 15 -20 inlbs is until you measure it. And none of those tiny torques have slipped. Any specific brand recommendations? It would be for my personal use and not used often, so (for me specifically) I don’t need “tier 1.” Currently I have a Wheeler Fat Wrench (or whatever it’s called). |
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Posted: 5/28/2022 11:41:26 AM EDT
[#17]
Accurate torque is important where you need certain things to happen. Otherwise, it's not critical
Precision mated surfaces with or without a gasket get a torque wrench, and it's not because it needs to be tight, it's because the pressure applied needs to be EVEN. High tensile load bolts need a torque wrench. They need the correct preload applied to stretch the bolts to the correct elastic load to provide a clamping force as well as being evenly torqued to split load across the entire load bearing surface. Different materials are more sensitive to uneven load distribution than others. There are many reasons to accurately torque a bolt. There are also plenty of reasons where it's a fools errand. An access cover probably doesn't care if you have even torque. |
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Posted: 5/28/2022 12:12:03 PM EDT
[#18]
Quote HistoryQuoted: ROFL...you have experienced a serious reading comprehension failure. When you finish elementary school come back and read again. In the meantime, your dad should probably not let you fly aircraft until you learn to read. Hurrrrrrrr fuckin durrrrr, please pray tell which bolts in an aircraft you figure you can do without? You think they put some of the fasteners in just for funsies and they can just be allowed to shake out? Or fuck it, let’s just use the German metric and crank it in there goodntight until we strip the threads right out of a part that hasn’t been manufactured since the 70’s and is now unobtainium. You’re probably one of those cool dudes who just says all lycomings leak right? |
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Posted: 5/28/2022 12:15:54 PM EDT
[#19]
Quote HistoryQuoted: Any specific brand recommendations? It would be for my personal use and not used often, so (for me specifically) I don’t need “tier 1.” Currently I have a Wheeler Fat Wrench (or whatever it’s called). My local calibration service speaks very highly of the Gearwrench line. Great bang for the buck, and he says they hold their cal very well. Get the flex head. |
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Posted: 5/28/2022 12:33:51 PM EDT
[#20]
Quote HistoryQuoted: The post you quoted specifically said head bolts. Seriously, 25 years ago no one was pulling out torque wrenches for fucking lug nuts on steel wheels. I think you're overreacting a little. My dad taught me to torque everything important. Been torqueing lug nuts since getting my first car at age 14 in 1989. |
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Posted: 5/28/2022 12:43:39 PM EDT
[#21]
Quote HistoryQuoted: Maybe move this thread to GD, because it reads like it. (snip) Ironically I originally started typing the OP for GD, then thought better of it and posted in DIY. There's really just one guy in here who seems to think this is GD, and supposedly he's a pilot. |
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Posted: 5/28/2022 1:10:05 PM EDT
[#22]
Quote HistoryQuoted: Ironically I originally started typing the OP for GD, then thought better of it and posted in DIY. There's really just one guy in here who seems to think this is GD, and supposedly he's a pilot. I’m not the one who started slinging turds. I used a real world example to demonstrate why torque is important in professional applications in opposition to a poster who said torque could be optional depending on if you thought the piece was important or not. I am a pilot. I was also the chief of maintenance for a flying operation which was inspected by the FAA and passed with flying colors. I’m not pulling things out of my ass, and I don’t understand why certain mechanics refuse to use a torque wrench. You literally just grab a different ratchet handle during the assembly stage, and dial in the number that’s indicated in your maintenance manual. You are using a maintenance manual right? Engineers put the spec in for a reason. Like I said, if you’re working on your lawnmower do whatever you want- but you asked about revelations, and I provided an example of a field where torque matters. |
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Posted: 5/28/2022 2:00:22 PM EDT
[#23]
Quote HistoryQuoted: Wrong. Use the torque wrench. You under torque my cylinder head bolts and cause me to lose a piston while in flight, I’m gonna land that plane and come straight to the hanger and beat the piss out of you. Ft/lbs matter. Do whatever you want with your lawnmower, but if the Mx manual for the precision equipment you’re repairing has a torque spec, it’s there for a reason. Takes 5 seconds to dial in the torque. Obviously, a torque wrench should be used for everything related to an airplane, but please explain /describe the engine in your airplane that has cylinder head bolts? Short of a VW flat-four in a homebuilt, I've never heard of such bolts. |
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Posted: 5/28/2022 2:49:02 PM EDT
[#24]
Quote HistoryQuoted: Obviously, a torque wrench should be used for everything related to an airplane, but please explain /describe the engine in your airplane that has cylinder head bolts? Short of a VW flat-four in a homebuilt, I've never heard of such bolts. No need to be pedantic. If you want to be a picky Paula it’s actually a STUD, 1/2-20 x 10-45/64 long P/N 76220, secured with a NUT, 1/2-20 plain P/N STD-2090 attaching CYLINDER AND HEAD ASSEMBLY, Nitrided P/N LW-12427 torqued to 600 inch pounds. And it’s refered to has a cylinder head assembly in more than one manual, and it’s strikingly similar in design to a VW flat four. Plenty of accident reports out their indicating crash due to cylinder separation because of under torqued fasteners. |
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Posted: 5/28/2022 3:06:42 PM EDT
[#25]
Quote HistoryQuoted: I’m not the one who started slinging turds. Quote HistoryQuoted: I’m not the one who started slinging turds. If you believe that you need a reality check. Go back and read what was said and when the poo flinging happened. Quoted:I used a real world example to demonstrate why torque is important You used a real world example that I specifically listed as requiring a torque wrench to demonstrate why torque is important. And that was somehow supposed to prove me wrong? That's something a 5 year old would say. I'm sorry if I misjudged your age from your ability to read and comprehend what I said. Quoted:Engineers put the spec in for a reason. I'm sure an engineer that designs aerospace equipment would have a pretty good idea of where torque is critical and where it isn't. I'm sure those engineers also know that in many cases the torque isn't super critical and has a wide tolerance band (like 120-220 in-lb) but if they don't put one and an ignorant or inexperienced maintainer touches things it could have catastrophic results. That doesn't mean an experienced maintainer can't hit spec on non-critical or wide tolerance fasteners. Do you have any questions for an engineer that puts the torque specs in the repair procedures for aircraft? You're talking to one. 
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Posted: 5/28/2022 3:10:47 PM EDT
[#26]
I use a torque wrench mostly because I don't know WHY a fastener needs to be tight. Sometimes I'm working on something and I see the torque spec is like 100 ft lbs when I never would have guessed it. Plus I'm afraid of breaking bolts.
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Posted: 5/28/2022 3:23:42 PM EDT
[#27]
Quote HistoryQuoted: If you believe that you need a reality check. Go back and read what was said and when the poo flinging happened. You used a real world example that I specifically listed as requiring a torque wrench to demonstrate why torque is important. And that was somehow supposed to prove me wrong? That's something a 5 year old would say. I'm sorry if I misjudged your age from your ability to read and comprehend what I said. I'm sure an engineer that designs aerospace equipment would have a pretty good idea of where torque is critical and where it isn't. I'm sure those engineers also know that in many cases the torque isn't super critical and has a wide tolerance band (like 120-220 in-lb) but if they don't put one and an ignorant or inexperienced maintainer touches things it could have catastrophic results. That doesn't mean an experienced maintainer can't hit spec on non-critical or wide tolerance fasteners. Do you have any questions for an engineer that puts the torque specs in the repair procedures for aircraft? You're talking to one. You’re an aerospace engineer and you’re recommending that mechanics use their elbows to torque stuff? Have you spent much time on the airfield with your average GA-Joe wrench turner? I barely trust most of the dudes I’ve interacted with to change a brake liner much less make decisions about which bolts should and should not be torqued. Why put it in the book if you don’t care. If you start letting your mechanics deviate from the manual, they will rapidly revert to old wives tales and start screwing up your client’s aircraft. They especially love to skip the published troubleshooting steps in the CMM and just replace the $2,000 part when all it needed was a minor adjustment or a new shear pin, but fuck that they know better and it isn’t their money. I’ve seen plenty of stripped threads in very expensive parts because the mechanic didn’t think it was a critical item that needed a torque wrench. |
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Posted: 5/28/2022 9:16:42 PM EDT
[#28]
Quote HistoryQuoted: You’re an aerospace engineer and you’re recommending that mechanics use their elbows to torque stuff? Have you spent much time on the airfield with your average GA-Joe wrench turner? I barely trust most of the dudes I’ve interacted with to change a brake liner much less make decisions about which bolts should and should not be torqued. Why put it in the book if you don’t care. Quote HistoryQuoted: You’re an aerospace engineer and you’re recommending that mechanics use their elbows to torque stuff? Have you spent much time on the airfield with your average GA-Joe wrench turner? I barely trust most of the dudes I’ve interacted with to change a brake liner much less make decisions about which bolts should and should not be torqued. Why put it in the book if you don’t care. You're being obtuse. But keep going because you're making it clear that you don't actually know what you're talking about. I already answered the question in bold. Quoted: If you start letting your mechanics deviate from the manual, they will rapidly revert to old wives tales and start screwing up your client’s aircraft. They especially love to skip the published troubleshooting steps in the CMM and just replace the $2,000 part when all it needed was a minor adjustment or a new shear pin, but fuck that they know better and it isn’t their money. I’ve seen plenty of stripped threads in very expensive parts because the mechanic didn’t think it was a critical item that needed a torque wrench. You keep using the aerospace industry as your example to demonstrate why every fastener must be torqued with a wrench every time. That's what I would choose too if I were trying to defend an indefensible position because it's the only industry that has a shred of support for your position. Of course the aerospace industry is going to use torque wrenches more than most other industries. It carries greater risks and the factors of safety are much, much tighter so fastener torque is much more critical. But even on aircraft there are fasteners that have no listed torque spec. And torque spec escapements rarely ever carry catastrophic consequences. As a matter of fact, we've had maintainers reach back to us, stating that a torque wrench was out of cal and the fastener could be under-torqued by as much as 20% on X nunber of aircraft. They ask us if the torque is critical and if the aircraft need grounded or if they can correct next time they work on that part of the aircraft. Rarely ever does the aircraft need grounded due to under or over torque. But according to your position the aircraft should be grounded every time. Are you telling me you never dealt with torque spec escapements? How did you handle them? Don't ignore the industries that carry far less risk. I would wager that far less than 50% of the fasteners on the average automobile have a listed torque spec. And yet you choose to get in yours and go barreling down the highway. What about ag/industrial equipment? Even fewer. Torque specs are usually only listed for fasteners on precision surfaces, and critical safety systems like brakes. Everything else is either unlisted or falls into a general range (often quite broad) listed in a chart in the appendix. And I can tell you that the mechanics aren't looking at that chart often. They've done those bolts enough that they know what is tight enough for X size bolt. |
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Posted: 5/28/2022 9:59:11 PM EDT
[#29]
To clarify, my original post wasn't a revelation that a torque wrench needs to always be used. I agree with SigOwner_P229, there's a ton of fasteners out there that don't have torque specs or it's simply not necessary to be that precise.
My revelation was by using a torque wrench on some things that I don't usually, I found I was overtightening some things, though it's never led to a problem. |
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Posted: 5/28/2022 10:15:07 PM EDT
[#30]
Quote HistoryQuoted: My revelation was by using a torque wrench on some things that I don't usually, I found I was overtightening some things, though it's never led to a problem. This is true, and I think it's the reason experienced mechanics are good at hitting torque specs without a torque wrench. They tighten fasteners every day, and like I said in my very first response, they know when to get the torque wrench out. They use a torque wrench often enough that they know the right "feel" for the fasteners that aren't so critical as to require a torque wrench. |
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Posted: 5/28/2022 11:36:42 PM EDT
[#31]
I just saw a post on the Club Lexus forum about a guy torquing his skid plate bolts to 120 ft/lbs rather than 120 in/lbs ??
I like knowing torque specs and wish every single fastener for every device came with them. |
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Posted: 5/28/2022 11:58:13 PM EDT
[#32]
Quote HistoryQuoted: The post you quoted specifically said head bolts. Seriously, 25 years ago no one was pulling out torque wrenches for fucking lug nuts on steel wheels. I think you're overreacting a little. Yeah they were, I built motors and did all kinds of mech work in the early 1980's. Anyone who had a clue used a torque wrench, and made fun of the idiots that didn't understand why wheel studs randomly snapped or something broke the first time they ran their hotrod hard. On modern cars, everything is designed to have just enough margin and not a gram more material for gorillas with no torque wrench. You torque EVERYTHING to spec on anything newer than 1990, or you will eventually pay the price. |
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Posted: 5/29/2022 12:05:36 AM EDT
[#33]
Quote HistoryQuoted: I just saw a post on the Club Lexus forum about a guy torquing his skid plate bolts to 120 ft/lbs rather than 120 in/lbs ?? Unpossible, those bolts would have exploded, and split the time space continuum in the process. |
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Posted: 5/29/2022 12:08:53 AM EDT
[#34]
Quote HistoryQuoted: This is true, and I think it's the reason experienced mechanics are good at hitting torque specs without a torque wrench. They tighten fasteners every day, and like I said in my very first response, they know when to get the torque wrench out. They use a torque wrench often enough that they know the right "feel" for the fasteners that aren't so critical as to require a torque wrench. And this is why I've never let any other mechanic work on a car I that I really cared about. I've seen "skilled" guys tested in the lab, digital data acquisition systems don't lie, but old mechanics and techs do without knowing it. My own personal feel was as good as any highly experienced tech/mechanic we tested - I'm the son of master machinist and have been turning wrenches all my life - but I still struggled to get within +/- 20% with any consistency, and sometimes I would miss by a mile. Back in the day, my buddies used to marvel at how leak-free my engines were, whether on old British crocks or SB Chevys. It was because I was the only guy there torquing the oil pans and valve covers in a pattern with a torque wrench. |
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Posted: 5/29/2022 12:09:49 AM EDT
[#35]
Quote HistoryQuoted: I just saw a post on the Club Lexus forum about a guy torquing his skid plate bolts to 120 ft/lbs rather than 120 in/lbs ?? I like knowing torque specs and wish every single fastener for every device came with them. Is that Bun-Bun of sci-fi novel fame in your avatar? |
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Posted: 5/29/2022 8:33:07 AM EDT
[#36]
Quote HistoryQuoted: And this is why I've never let any other mechanic work on a car I that I really cared about. I've seen "skilled" guys tested in the lab, digital data acquisition systems don't lie, but old mechanics and techs do without knowing it. My own personal feel was as good as any highly experienced tech/mechanic we tested - I'm the son of master machinist and have been turning wrenches all my life - but I still struggled to get within +/- 20% with any consistency, and sometimes I would miss by a mile. Back in the day, my buddies used to marvel at how leak-free my engines were, whether on old British crocks or SB Chevys. It was because I was the only guy there torquing the oil pans and valve covers in a pattern with a torque wrench. I think a lot would struggle to get within 20%. But we're not talking about that precise. I'm talking about the fasteners that have a very broad range. Outside of critical safety features, mated precision surfaces, gasketed surfaces, etc, the real torque spec is whatever preload is needed to keep the parts together and keep the fastener from backing out on the low end up to just under yielding of the fastener on the high end. Sometimes that can be a huge range, especially when using locking features or compounds because it drops the required minimum torque to a very low value. If the torque spec was listed as 40-110 ft-lb you don't think you could hit it w/o a torque wrench? I can hit that range all day every day without missing. |
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Posted: 5/29/2022 11:21:42 PM EDT
[#37]
Quote HistoryQuoted: And this is why I've never let any other mechanic work on a car I that I really cared about. I've seen "skilled" guys tested in the lab, digital data acquisition systems don't lie, but old mechanics and techs do without knowing it. My own personal feel was as good as any highly experienced tech/mechanic we tested - I'm the son of master machinist and have been turning wrenches all my life - but I still struggled to get within +/- 20% with any consistency, and sometimes I would miss by a mile. Back in the day, my buddies used to marvel at how leak-free my engines were, whether on old British crocks or SB Chevys. It was because I was the only guy there torquing the oil pans and valve covers in a pattern with a torque wrench. Beyond certain bolts that need to hold a tensile load, this is the most used reason to use a torque wrench. CONSISTANCY on a gasket surface. Amazing how some people don't realize that when you warp a shitty stamped oil pan from having uneven torque, a rubber seal ain't gonna seal. And WHEN that happens, out comes the fucking tubes of red silicone and JB Weld. |
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Posted: 5/31/2022 1:54:02 PM EDT
[#38]
While working as a maintenance supervisor in a factorythatmade industrial gearboxes, I had proposed to stop spending all the money on $400 impact wrenches, spare parts, and the labor for in house repairs. My budget had been cut and I no longer had the personnel to fix them. I showed the line engineer the $125 impact wrench which would be a throw away. I was told that it would tighten the bolts to specification. I asked him what the specification was for the assembly line that these impacts were used on. He didn't know. He gets back to me to say the assemblers were overtorquing everything and that the new impact wrenches were fine. The largest bolts was 5/8-11 and some took over 200 lb-ft to loosen. I'm glad we used good grade 5 bolts.
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Posted: 6/2/2022 10:42:48 AM EDT
[#39]
Quote HistoryQuoted: snip. And WHEN that happens, out comes the fucking tubes of red silicone and JB Weld. Now you're talking my language!! Seriously though, I'm sure my crappy Wheeler Fat Wrench is far from NASA calibrations standards, but when I use it to torque bases and rings while mounting scopes (as another poster said), it is fairly amazing how much less the spec'ed torque is than what I previously used. 97% of the general work that I do tightening fasteners, none of which includes airplanes/rockets/international space stations/etc., is done without a torque wrench. I break out the Hazard Fraught torque wrench when something looks "critical"... don't ask me to define that. |
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Posted: 6/2/2022 10:22:25 PM EDT
[#40]
Important bits on engine, transmission, diffs get things torqued. Lug nuts get a torque stick.
Everything else is done by feel. That's how production work gets done. |
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Posted: 6/7/2022 3:46:53 PM EDT
[#41]
just a friendly reminder..this is a tech forum and the personal insults need to be left at the door.
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Posted: 6/7/2022 5:41:42 PM EDT
[#42]
Quote HistoryQuoted: just a friendly reminder..this is a tech forum and the personal insults need to be left at the door. 
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Posted: 6/7/2022 5:51:40 PM EDT
[#43]
Yeah, 80 ft-lbs is a fuckload of torque! I've bolted on quite a few barrel nuts with a torque wrench set at 80 just so I know I wouldn't go over it and I've never maxxed it out, or don't know if I even came close.
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Posted: 6/7/2022 5:53:50 PM EDT
[#44]
I am pretty good at estimating torque, but when building an engine, I do not fuck around. I probably have 5 torque wrenches, some pretty expensive, that mostly collect dust.
I was having issues with RAM wheel lugs snapping off. I bought a nice AC Delco after seeing it recommended here. It is an excellent piece of gear and I quickly found the lugs were not snapping due to torque, but due to metal fatigue, improper hardening, or just generally shitty metallurgy. Torque spec is 130 ft/lbs. |
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Posted: 6/7/2022 8:08:08 PM EDT
[#45]
I found out this weekend that owners manual on my motorcycle has wrong torque value listed for oil filter cover bolts.
20 minute oil change became a 4 hour extraction job when righty tighty became righty loosey at spec 9 ft-lbs. Research afterwards shows I am not the first and 6 to 7 ft-lbs is what value should have read in manual. |
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Posted: 6/8/2022 9:30:48 AM EDT
[#46]
I torque important fasteners. lug nuts on aluminum rim's, head bolts, axle nuts on motorcycles and cars,trucks..
I ugga dugg'd lug nuts on steel wheels though and never had any come lose. |
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Posted: 6/9/2022 5:42:20 AM EDT
[#47]
It's pretty clear that some in here don't use tq wrenches cause yall are wound waaaay too fuckin tight.
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Posted: 6/9/2022 7:39:48 AM EDT
[#48]
Quote HistoryQuoted: Only fucking morons think that ugga dugga shit is cool. That's guaranteeing that somebody is fucking something up. Usually not for them, it's for the next sorry bastard that's gotta work on it. I've got a legit collection of torque wrenches now. Back in the '70s I bought a $12 Sears beam style torque wrench. For rods and mains mostly. I doubt it was any more accurate than my " feels right + a little more " method, lol |
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Posted: 6/9/2022 9:19:44 AM EDT
[#49]
HF ones are ok for tires/rims at the track. I use torque sticks to run them on and use a torque wench to finish. I wouldn't use a HF one to rebuild an engine unless its be calibrated.
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Posted: 6/9/2022 9:36:09 AM EDT
[#50]
Quote HistoryQuoted: I would wager that far less than 50% of the fasteners on the average automobile have a listed torque spec. Now you're going to make me go and count in my service manual for my car. In general, though, if it has a hex head it gets a torque spec listed. Phillips or Torx, not so much. But, as you say, the actual torque needed to hold many parts together reliably isn't exactly the spec but a number with a huge plus/minus range. |
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