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I took a slightly different route but it was every bit as loud
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Apr 22, 2022 23:02
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https://www.youtube.com/watch?v=MQ3ZN0cvm8U
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Apr 24, 2022 09:35
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My 80 F-150 had a kill switch that shut off power to the coil (well, probably the ignition module... never traced it). I had a blast turning it off for a few seconds, then turning it back on. KAFUCKINGBOOM. Did it a few too many times, wound up with the above result. Hacksawed it off and slapped a glasspack on it with clamps... You ever have to pull over on the side of I-10 and try to grab a hot as poo poo glasspack out of traffic? No? It's fun! randomidiot fucked around with this message at 09:45 on Apr 24, 2022 |
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Apr 24, 2022 09:36
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I was trying to adjust the way-too-big-for-it carb that came PO-installed on my '70 E100 one morning before work in the parking lot, and on the next startup it... well detonated like those pics. I had very concerned E-9 run up to my van because he was sure I shot myself or someone else in it. The entire conversation went like "EEEEEEEEEEEEEEEEEEE-words from E-9" "EEEEEEEEEEE-NO! I'M FINE!" "EEEEEEEEE-STOP YELLING!"
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Apr 24, 2022 11:29
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That lack of piston! 
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Apr 24, 2022 18:07
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Humbug Scoolbus posted:That lack of piston! yeah lol, when he pulled the head and just reached his whole arm in i was like "...oh boy, thats going to be exciting" disappointed that he didnt show close-ups of the associated crank journal
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Apr 24, 2022 20:32
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The crank journal seemed fine from him spinning the half a rod on it, that's a common thing on turbo LS builds when you go past the power stock rods can handle. Guys will pull their blown up block apart and find the bottom half of the rod still spinning perfectly fine and no real bearing damage. I think it really just ate 75% of a valve and turned the piston and connecting rod into mulch.
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Apr 25, 2022 03:21
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 This is supposedly what happens when you try and feed 800hp worth of power through the stock Ford Raptor 10R80 transmission. I bet that made a wonderful noise.
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Apr 25, 2022 06:25
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I'm having trouble even processing what part of the transmission I'm looking at here - it's a straight cut gear with a bolt on it, reverse gear on a manual? Some kind of internal pump or governor mechanism on an automatic?
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Apr 25, 2022 07:29
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10R80's a ten speed auto, so that's gotta be the drive gear for a pump. E: yup Elviscat fucked around with this message at 08:16 on Apr 25, 2022 |
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Apr 25, 2022 08:12
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kastein posted:I'm having trouble even processing what part of the transmission I'm looking at here - it's a straight cut gear with a bolt on it, reverse gear on a manual? Some kind of internal pump or governor mechanism on an automatic? Oil pump drive gears for the 10R80 auto trans afaik. From reading around they're known to sometimes have issues with the gears being poorly aligned and whining.
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Apr 25, 2022 08:24
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Solution for this high-power scenario would be to replace this gear train and pump with an externally driven ATF pump?
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Apr 25, 2022 09:13
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bennyfactor posted:Solution for this high-power scenario would be to replace this gear train and pump with an externally driven ATF pump? Solution is to buy a chevy
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Apr 25, 2022 10:59
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chrisgt posted:Solution is to buy a chevy https://en.wikipedia.org/wiki/Ford-GM_10-speed_automatic_transmission
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Apr 25, 2022 15:05
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STR posted:My 80 F-150 had a kill switch that shut off power to the coil (well, probably the ignition module... never traced it). Something similar *might* be why I blew the muffler in my El Camino. So, for those that don't know, in '68, the ignition switch was still in the dash, with no locking column feature, so no risk to turning the ignition off while moving in gear (other than to your mufflers when you turn the ignition back on.) I thought the backfire you get was a hoot. Turns out it also tends to stress your OEM muffler a bit. kastein posted:I took a slightly different route but it was every bit as loud I imagine the core of the muffler shooting backwards like a rocket, and laugh. wolrah posted:Yeah that GM 10L80 is sure to be massively different... I feel like 
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Apr 25, 2022 22:41
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Unfortunately it was welded to the tailpipe and had been hanging there making nails on a chalkboard noises in the back of the muffler until the tailpipe hangers rotted off for the third time and I just let it drag the rest of the way to the hangar, then built and put the new stainless exhaust on. No issues since, though the downpipe is still lovely aluminized steel from years ago and barely intact. I'm hoping it holds up until I can get the barn built out West.
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Apr 26, 2022 04:13
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Ford has a recall for new F-150s where loose underbody insulation can damage the driveshaft. Someone kept driving their truck for months despite the visible damage.  
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Apr 27, 2022 15:41
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Is that driveshaft made of aluminum foil wrapped around expanding foam?
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Apr 27, 2022 15:58
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PBCrunch posted:Is that driveshaft made of aluminum foil wrapped around expanding foam? It's aluminized marshmallow. The foam is there to stop the driveshaft from turning into a musical instrument. Early ones actually had cardboard in them.
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Apr 27, 2022 16:25
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I am baffled how insulation does that to a driveshaft.
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Apr 27, 2022 16:26
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Zero One posted:Ford has a recall for new F-150s where loose underbody insulation can damage the driveshaft. Four wheel drive lathe.
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Apr 27, 2022 17:28
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Seeing the number of people driving around my area with the front ends of their underbody trays dragging on the ground, it doesn’t surprise me at all that someone drove their F-150 until the insulation caused the driveshaft to split.um excuse me posted:I am baffled how insulation does that to a driveshaft. I hope you’ve never had the displeasure of whacking your hand off that sort of insulation because that poo poo is sharp. Also your pun made me groan out loud so good job.
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Apr 27, 2022 19:37
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Goes well with the undersized axle tubes crushing since someone (Ford or Dana) screwed up. Super duties have so many recalls it will make your head spin.
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Apr 27, 2022 21:53
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C-Bangin' it 
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um excuse me posted:I am baffled how insulation does that to a driveshaft. It's also pretty heavy duty poo poo. It could double as fuel tank shielding or something.
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Apr 27, 2022 23:48
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A little road dust in between two pieces of metal with a few thousand rpm involved and it'll happen pretty quick. Especially on an aluminum tube that's only 0.125" thick to start out. It doesn't take much to wear that below the point where it'll start fracturing and then it's all over very suddenly.
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Apr 28, 2022 00:57
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Yeah, alunimum is pretty drat soft. Pending horrible mechanical failure: Where the plastic loom sits against my charge pipes, the plastic has worn into the metal.    Brazing rods and loom tape have been on my shopping list for a few years, but you know how that goes. It hasn't gotten through yet!
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Apr 28, 2022 03:39
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Powershift posted:Yeah, alunimum is pretty drat soft. holy poo poo I didn't realize this could happen.
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Apr 28, 2022 03:42
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The hot plastic cut into the aluminum?
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Apr 28, 2022 04:56
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I think that that’s done by grit getting in between the parts.
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Apr 28, 2022 05:06
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Platystemon posted:I think that that’s done by grit getting in between the parts. Bingo. Grit and vibration.
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Apr 28, 2022 12:18
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The plastic engine cover on my wife's 2009 Cobalt rubbed a hole into this aluminum coolant line, that ran from the radiator to the pressurized overflow tank. 
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Apr 28, 2022 14:42
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Nothing a little road dirt impregnated nylon cant cut through
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Apr 28, 2022 14:46
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Had a friend's GTI spring a leak in the radiator. The cause was the plastic fan shroud being pressed against it for 60k miles. Fixed it with a Dremel, some JB weld, and a few spacers. Aluminum is soft.
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Apr 28, 2022 14:59
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Platystemon posted:I think that that’s done by grit getting in between the parts. Basically unintentional lapping. quote:The other form of lapping involves a softer material such as pitch or a ceramic for the lap, which is "charged" with the abrasive. The lap is then used to cut a harder material—the workpiece. The abrasive embeds within the softer material, which holds it and permits it to score across and cut the harder material. Taken to a finer limit, this will produce a polished surface such as with a polishing cloth on an automobile, or a polishing cloth or polishing pitch upon glass or steel.
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Apr 28, 2022 16:49
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Every now and then I have to remind someone that water made the grand canyon.
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Apr 28, 2022 22:43
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Here's one from work today. Part of my job is recommending and spec'ing in gearboxes/PT (power transmission) for major industrial clients. One client of mine has an application where the gearbox is constantly splashed on with process water, so I did a fairly simple recommendation of having the gearbox supplied with a "washdown" package. This is very common, it typically includes special seals, epoxy finish, and other anti-corrosion treatments. Typically most common in food plants but is a solution to be used wherever water in the environment is a problem. ANYHOW, got the gearbox into the plant late last year. The client reaches out a week ago saying "Hey, this gearbox is making a funny vibration. We're going to put in our spare in but can you tear into it and see what the problem is?" Weird, since it was so new but this is totally what we do, so for sure. I personally grab it, take it to our shop and take it apart. I personally expected the 10HP motor to be the source of the problem, but I was mistaken. The gearbox was full of water. So everything is now milkshake and actual corrosion was well underway in the interior. How? Especially since this thing was specifically spec'd out to withstand to direct waterjets/washdown? The genius manufacturer somehow equipped it with the most basic standard breather available. Nothing with a check/one way valve in it. At all. All the best paint/seals/finish in the world aren't going to help you if you have in essence a 3/8" hole on top of it protected by an upside down can. It's like getting the strongest, most secure lock on your front door but leaving it ajar.    loving bravo. Way to take out a 6 month old gearbox. 
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Apr 28, 2022 22:59
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I’d assume this means that the now in-service spare is also presently filled with milkshake. Ahhhhh, industry. All the wonder of technology, all the idiocy of penny-pinching middle management.
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Apr 28, 2022 23:03
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Probably. TBH I never even thought of that.. but I'm going to have to give them a heads-up as this is going to be out of commission for a while. I feel bad for the client, this is totally not their fault. They paid a premium to not have this happen. This is such a common thing (water ingress protection) it should have been fine for years. In fact, I'll give them a pat on the back for picking up the vibration before the inevitable catastrophic failure... which is better predictive maintenance than most do.
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Apr 28, 2022 23:10
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slidebite posted:Probably. TBH I never even thought of that.. but I'm going to have to give them a heads-up as this is going to be out of commission for a while.
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Apr 28, 2022 23:13
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I'm going to have a very uncomfortable for them conversation with the manufacturer. This is not the first time they hosed up a new build. The way it sits, they are exceedingly lucky it didn't take the plant down as its in a critical application. e: If they try to tell me that's the "proper" breather for a washdown application, I'm going to come unglued.
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Apr 28, 2022 23:17
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