Mercury Marauder 4.6L Teardown. HOW DOES THIS EVEN HAPPEN? Worst Blown Engine Yet?
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- เผยแพร่เมื่อ 10 ธ.ค. 2021
- Want to see a particular engine torn down? I may have already done one! I've done well over 20 other teardowns from Cummins to an LS7, and from Rotary to Ram Ecodiesels. Check them out here • Blown Up Engine Tear D...
My name is Eric and I own and run a full service auto salvage business called Importapart located in the Saint Louis MO area. Part of our model is dismantling and selling parts from rare and niche market engines. If you're interested in buying parts from this engine or the other engines I've torn down, email us at Importapartsales@gmail.com.
In this video, I tear down a 4.6L DOHC 32v V8 found in 2003-2004 Mercury Marauders. This engine is nearly the same as the Lincoln Aviator, automatic mach1 mustang. It is closely related to what is found in the cobra. This has got to be one of, if not THE worst blown up engine I've torn down on this channel. I still can't quite figure out how this happened, can you?
I hope you enjoyed this video, as always I appreciate all of the feedback, suggestions, and even the criticism.
Catch you on the next one!
-Eric - ยานยนต์และพาหนะ
A few things about this teardown. Several viewers mentioned running upside down, I do think that's a valid theory!
I also think someone was in there trying to get the crank to turn so they could remove the torque converter bolts, however it was clear their efforts were.... futile. The missing main cap bolts also make me think this.
The stubborn/tight/rounded off main side bolts for the main caps were too tight to use an extractor, and likely would've broken the head off the bolt had I tried to weld to them. We aren't supposed to use open flames in the shop per insurance rules, so I try to keep that type of work off camera (It never happens, promise!)
Overall, this has to be the wildest failure I've seen to date considering the relatively unaffected cylinder heads.
Thanks for the comments!
I agree with the engine upside down, a car rolled over and the throttle was wide open, rev’d until it exploded inside.
Somebody took engine out after failure, removed sump and cut big end caps off with oxy/ace torch. Crank journals black, yes prob oil pump failure or something but those rods been cut off. No sump and cylinder heads still good. If all con rods failed like that heads and valves would be toast.
I ain't buying into run upside down. Unless fuel tank was completely full there would be NO fuel at pickup. Anyway Ford's fuel cutoff(nothing more than a glorified tilt switch) would have shut down fuel pump.
Upside down car will run till it hydraulics on engine oil, will not overheat like people think here. If overheated that much cylinder head cam caps etc will be scored to death. Someone was up to no good before you got engine.
Ah yeah the inertia switch should’ve cut it off.
I owned a Marauder for a few years, had to sell it to take care of my mother in law who was battling cancer. Sure miss them both.
My condolences.
Rip in peperinos
So sorry to hear this. At least a Merc can be bought.
I'm sorry for your loss. I lost my mother just a few weeks ago to cancer treatment.
That's a righteous thing you did. Stay solid.
The fact that both of the cylinder heads survived that insane grenading action enough to be serviceable is beyond amazing.
Thats what i found amazing. I think a blockage in the crank oil feed
At least he's got a lot of good parts he can sell off, even if the entire block is scrap metal. But yeah, seeing the condition of the entire lower half of the engine, I'm surprised anything survived.
Ford built tough baby
If you're going to hang all that stuff on an IC motor, you should make it bullet proof.
Never ceases to amaze me how big the modular engines are versus their cubic inch capacity with the huge heads and cam chains.
mike - I know. I've seen a 460 with a smaller footprint than this thing. These 4.6 heads look like the 4 cam FORD engines they used to put in Sherman tanks.
Yes, physically they are big. Too bad they aren't so big when it comes to cubes.
Yeah… over-complex pieces of shit if you ask me. I hate them. 3-f’in-feet wide! Wider than a 426 Hemi for heaven’s sake! Ford shoulda stayed PUSHROD! I’ve cursed them for 30 years over choosing this POS platform.
@@christopherweise438 also how much they fail!
Yes, and that's why I hate overhead cam motors. 4 6L looks like a big block!
Whats more likely is that the engine seized. Someone pulled the pan off and torched and knocked the pistons up in order to free the crank so they could spin the engine inorder to get the torque converter bolts out.
I used to do this a lot. I worked for a company and did all the replacements for years and atleast 250 engines I have replaced, I had to go through those lengths in order to get the crank to spin. In a shop, you're not paid to pull it all apart so a lot of guys will rip through the engine as quickly as possible. It's considered junk to them anyways.
That is definitely the most logical explaintaion for this mess.
Make the most sense. He even asked if someone was welding in there because the metal looked like it saw torch heat. There's no way the engine turned on its own power long enough for it to damage itself like that. And that piston head where it hit a valve looked like a clean break too. Probably done by the guy who hammered it from underneath.
why not just pull the torque converter with the engine.
@@soundtechmike there isn't always room to do so. I've done a lot of cars and trucks. Fwd does not have the room to pull the converter with the engine 99% of the time. In an automotive shop aspect, the less things you mess with, the better.
I don't want to be responsible for other issues coming up or being made from pulling the converter or transmission with the engine. Whether that be the front pump bushing getting marred up or pump seal getting damaged, or pulling the trans together with the engine running into lines that don't want to come apart or corroded crap breaking while trying to remove mounts, ect.....
@@onemoremisfit I don't know how likely it is for all of the caps to melt like that, but I have seen an older 6cly Cummins weld the pistons to the head but keep running. They let the truck run out of coolant on the job (and this truck was old enough to not have any cutoffs) and it just stopped all of a sudden. When the tech made it out there, he filled it with coolant and tried to start it. After a few tries of not turning over at all , it started, and he drove it back. We had to use a crane with most of the head bolts to rip the head off and you could where two dissimilar metals had tried to fuse and where some of the head had tried to "run" into the cylinder.
That motor should read “Cleetus was here”.
He had a small problem with his marauder recently.
I don't know how many times I've imagined taking a hammer to a frustrating bolt. That must've felt good! Lol. Another great teardown choice!
I'd have just used a grinder to disappear the bolt heads. QED
it can actually be a useful thing
like when removing head bolts
.
i ALWAYS put the socket on.... then give it a few good taps (not HE MAN taps as shown in this video)
it breaks any rust or junk..... and allows the bolt to come out with out pulling the threads with it
.
like.... you can hear AND feel the difference
it wont make that "creeeekkk" noise
and the "action" in the breaker bar will feel different (it will like... spring back.... its hard to describe)
@@Martin.Wilson I would just drill the damn bolt -right in the center
@@Martin.Wilson Even if you removed those bolt heads the bolt shanks would have prevented removal of those bearing caps.
@@billhennie Good to know...I figured there must be a reason.
The 32 valve double overhead cam 4.6 Intech V8 is probably one of the best engines Ford ever produced. I had worn in my 98 continental and it was trouble free. It is a great engine.
Great engines.
Those 4.6 4V units are strong, powerful and sweet sounding. This poor thing must have been so neglected.
Expected a teardown, watched a beatdown! That poor engine thought the worst that would happen was its catastrophic failure. What it couldnt have foreseen was its corpse being defiled for "forensic investigation"! Thank you Sir for sharing this adventure with us!
I can honestly say I don't think I've ever seen someone use a hammer on a teardown like that. Gotta say I'm jealous lmao
I once was asked to remove a VHS tape from a vcr/tv. Once I heard the words "I just want the tape, I don't care if you destroy the tv/vcr," joy came to me. Forget proper disassembly. It took less than a couple minutes to 'break it down.'
27 year master certified tech, i agree with other comments stating missing bearing cap bolts and molten metal along with extreme discoloration on rod journal seem to indicate acetalene torch was used to cut rods free of crank. the oil filter being empty, as well as no oil in the housing suggests that oil starvation at high rpm locked the engine up by galding of the rod bearings. Smashing the block with a sledgehammer was so satisfying to watch!!!! I love teardowns and inspections-failure analysis because it is like a who done it mystery story. the debris, and scarring to the oil pump housing may be an indication of extreme neglect of maintenance and i would cut the filter open to see if it had ruptured the paper element. loved the video!!!
looks like a very well built engine as has been proven many times in use.
Looks like the inside of a Chevy V6 my friends and I blew up when we shot unregulated nitrous into the filter box while the engine was banging off the limiter. I believe that for approximately 0.03 seconds that 4.3 made north of 5000 horses and then promptly grenaded.
The blown out rod big ends especially looked like the ones in that engine. Partially melted and fractured metal.
Made me laugh, honestly. I hope you weren’t standing too close.
Q: "How much power can you get out of that thing?"
A: "How long do you want it to last?"
@@currentbatches6205
Q: "How Much power can you get out of that thing?"
A: "All of it."
@@robeddy3722 "I live my life a quarter mile at a time"
"That's boring, I live my life 60 feet at a time."
@@K31TH3R “rookie numbers! I measure my time in engines per foot!”
Best teardown ever. I can't imagine the noise this made and for how long to cause that much carnage. Amazing.
Somebody has obviously used an acetylene torch on the rods after it blew. The reason for it is unknown.
That's incredible. Those engines are way overbuilt too so I'm impressed.
6 bolts mains
@@ravenbishop5232 LS are and have a smaller footprint so...
@@shadowopsairman1583 but to compare a 4 cam to a LS, you must have a boyfriend???
11 months later and I am still totally entertained by this teardown. I can't even wrap my head around how this could have happened. Just weird. Aliens?
Oil starvation caused the rod bearings to seize on the crank journals, at high RPM, and the torque combined with the drag on the rod bearings caused the rods to twist right off. Oil failure plus high RPM. That's what it seems like happened to me. The main cap cross bolts were jammed due to displacement of the caps. Bet the bolts are bent. Check them, they will be. As for why there's no visible lubrication problem in the cams, I'd venture to guess that it had an oil passage obstruction that only affected the bottom end, where it matters the most especially at the redline.
I'm betting they ran it long and hard to get the Crank so hot. Most likely all the oil was in the Heads when the failure occurred.
It has to have been on the limiter.
@@skildude That's what I was thinking too!
Agree in this assessment (bearing melted that's a new one for me thought)
Hmmm, is this from Cleetus? I mean, I haven't seen his Marauder in awhile. 🤔
This has been my favorite teardown so far, all pistons at TDC, zero rods connected and smashing the absolute hell out of a block in order to solve seized main bolts, broken hammers is also a plus
Were I the vid did the hammer break?
@@standhd first hammer he used (big sledge) the steel head flew off the shim
@@riotgaming4887 Oh ok I saw it….LOL.
I had a 1997 Lincoln Mark VIII with the 4.6L SOHC engine and it was a fantastic drivetrain and vehicle all around! These motors are capable of going for a very long time and are actually quite efficient for what they are! Thanks for another great tear down!
DOHC and they were awesome. I had a '93 and loved it!
The Teksid block 4.6 is the best block Ford never made (catch that..not ever but never). What is interesting is Teksid (the company in Italy that molded the blocks) make blocks,heads etc for Ferrari,Lamborghini and other performance car companies. The question I have is why can Ford take this block and put it in an engine and (if properly maintained) get 200k-300k miles out of it?
Most Ferraris schedule calls for an engine rebuild every 25k miles. Maybe it is because most foreign v8',v10's,v12's use flat plane instead of cross plane cranks.
Thinking of building a 4.6 Teksid block with a 3.750 stroke Kellog crank (may stick with stock stroke Kellog). I think it makes it a 5.0 (or very close). Running some 300m rods and just building the stink out of it...see if I can max out the Teksid block. I have heard of people making over 1500hp with that combination. Would like to see it first hand. That power and able to spin 9k rpm is insane for 1990's Ford technology.
Love how he speeds up the boring bits and the remaining video is all the interesting bits
My guess would be: Foot on the floor, hit something and tore the bottom of the oil pan out completely (hence no oil pan on the core). Bottom end went totally dry at seriously high revs and self-destructed so quickly that the top end hadn't had time to run out of oil yet.
The top would have oil starvation damage.
That's plausible!
this seems to be the most logical thing. Sudden catastrophic loss of oil, unnoticed.
Maybe that's why it didn't come with an oil sump!
Agree this is a logical answer. Driver hit something at high speed, ripping up oil pan, and impact resulting in sparks and intense heat that left some molten evidence. Top end still had enough oil to appear undamaged.
I've seen this kind of Carnage before it was caused by the vehicle being upside down at high RPM
That’s an idea
that was my thoughts to oil would have run to the valve covers keeping them at least splash fed
Not with a inertia switch
upside down the engine wouldn't run long enough to do that kind of damage ,,inertia switch will shut the fuel pump off and even then the fuel pickup being in the bottom of the tank will suck air starving it of fuel
@@MrPaxtonstang86 a working, not bypassed because they have an after market fuel setup, inertia switch.
This is the very reason the 2 valve PI 4.6 is so reliable it has none of the problems of these complicated versions that Ford worked so hard and spent so much to make it a timebomb!
Exactly. Everything should be interchangeable so it's reliable. Made out of iron, water pump and fuel pump on the outside. I think these nitwits went a little too far - too far.
I had a great 4.6 V8... With a great transmission. No dipstick- what? How can I trust it? No sealed trans. Ever. The level has to be on the outside. Easy to see.
“Timebomb” 😂
@@BC08 Drove the Crown Vics and Grand Marquis as Taxis for 22 years and no Engine Problems ever. Before That The TBI 305 Chevy Caprices, Reliable but no more power after 3000 RPM The Caprice was built not to last GM knows a lot about Planned Obsolescence it is amazing that the main wiring harnesses in the Footwell would burn up by design.
@@lilibethdoherty295 Yes, the 4.6 2V is a workhorse. The 4.6 4V weren’t timebombs when properly maintained.
When I was trying to get the heads off of my old 4.6L engine a few years ago, that dipstick setup drove me insane! They never come out easy.
Looks like a textbook case of Quick Lube syndrome, (forgot to refill the oil),followed by somebody's "mechanic" leaving a hammer in the oil pan while replacing the pan gasket, followed by a cold start with the throttle stuck wide open, while tumbling down a granite cliff face. I see this all the time...🤔
All the time? No, I've only seen that twice..
@@ohger1 😂👍
Where!!?
You know it's a good teardown when the sawzall comes out.
I suspect someone in a pick-apart lot torched the bottom end of the engine trying to get it to spin around enough they could unbolt the torque converter.
That's what I was thinking. Towed in gear is assuming no oil, standard transmission and it was towed the wrong way. To many what if
@@MrPorsche91730 - all Marauders were auto-trans
That is some serious heat to be able to create such extreme heat and wear on those journals, bearings, and rods. Such a unique case. Good job brohsk.
I found your channel a few days ago and I am pleased and impressed. #1 takeaway: take care of your engine! That oil that they put in at the factory will last the life of the engine, just wait. #2: I would really like you to publish a glossary of the terms you use, for instance bearing rich oil, cylinder gravel, piston mc nuggets, etc. Keep it up and you will have a million subscribers.
Some of that bottom end was taken apart in order to crank the engine to get the torque converter bolts out due to it being locked. Looks like a torch was used as well.
Probably the most likely scenario.
Years ago my wife had an 80-something Mazda 626 which killed all 4 of its cylinder walls. I maintained it carefully, always checked the oil, and it had less than 100K miles. For a weekend trip we were driving a few hours from home on the highway. Suddenly it lurched and died, and put out this ugly oily black smoke under the dash. She steered it to the side of the highway and turned it off. I thought that this would not be good. I opened the hood and nothing looked wrong, yet the radiator seemed really really hot. I figured it can't hurt to add some coolant. So I hiked to a gas station and returned with lots of water. When I put the water into the radiator, it sizzled. Again, not good, I thought. I was going to call for a tow. But I thought, what the hell, why not see if it starts? So I did and it started right up. I imagined that the oily black smoke never really happened and we drove it home. It seemed to drive fine, but the temperature gauge was all over the place, back and forth from too cool to too hot. Otherwise it seemed to run fine, and my wife drove it to and from work for a few more days as we waited for our appointment with the Mazda tech.
Turned out that it was so bad that all the techs were very entertained. They said it was the most messed up they ever saw. All cylinder walls were horribly scored. They found the likely initial source of the mess: a crack had forced a passageway between the oil and the coolant. They were amazed that we were able to drive it for like 100 miles after it cracked. The block was not rebuildable. We put in another engine and kept it for many more years.
I had a Ford Probe. Same engine. I pull out to pass and it kicked a rod. Threw the hole in the block, you could see the rod journal with no rod on it
The 4.6L engine that cab drivers could not kill!!
Thank you for doing a video like this. I had a great time watching. Thank you.
The last part of the video reminds me of breaking apart my old cast iron bath tub with a 12lb sledge hammer. Stuff goes flying.
Except I was on a rotten floor and the broken bathtub and I ended up in the crawlspace
What a mess. My best first guess would be just like you said, it was revved super high and those rods “became adjustable” one after another. And of course the pistons have no place to go but slam into the heads. Pretty darn amazing.
I have a 2004 Marauder, rebuilt engine 60k ago, lovely to see the innards of this amazing motor! Used to rebuild motors for fun back in the days. Thanks for this vid, very fun to watch. Loved the "convincing" it took!
Taking "teardown" to a new level in this one
I’ve seen this in a John Deere tractor engine. They some how knocked a hole in the oil pan. The engine was at full rpm’s and under full load. By the time they see the oil pressure gauge it’s to late. The rods remove themselves from the crank.
Talk about internal combustion, BOOOM!!! Insane.crazy vid man, great job.
Wow- the amount of damage is...... incredible
The only thing I can possibly think of is, they were driving at high speed, hit something in the road which put a vent hole in the pan, and just kept going until it came apart.
Guess there was just enough oil left in the cam journals to save the heads. It honestly makes no sense though how the heads survived but there was that much damage down below.
Stolen?
@@charlesjames1442 I think it's cleetus McFarland motor
Or maybe rolled it?
That is crazy, was thinking the same
Damn man you beat your WAP till you broke it, takes skill and persistence for that to happen
I’m a youth, so I wasn’t familiar with this particular meaning to the acronym WAP and every time y’all abbreviated Windsor assembly plant to WAP my mind went straight to a certain song…
@@vexed_con 🤣🤣🤣🤣 didnt know what the song was until a few months ago so when he went thru that part it took me a minute to catch on lol
@@vexed_con I'm old and had to find out what the Internet has to say about WAP. I was slightly happier in my life not knowing. Because you are watching this channel, my recommendation is to keep watching this channel, learn from South Main Auto, Pine Hollow Auto Diag, Maic Salazar Diag and maybe dabble in Louis Rossman's repair channel and go kill the auto electronics repair sector, get a hottie like Mrs. O, have a couple kids, get a dog, open your own shop and don't look back.
@@stevebot I still got time to go down that path, worth a thought with all these new electric cars flooding the market
Correction, that is definitely not a Windsor 4.6 litre. All 4.6 aluminum 4 valve passenger engines were produced at Romeo Engine plant. Windsor was single source for all cast iron 4.6/5.4/ V-8 as well as 6.8 litre V-10. These engines went into F series Pickups and E series cargo vans as well as low volume motor homes and school/shuttle buses
WOW!!! I hope you kept the crank...one helluva souvenir...and proof if anyone ever asked about the biggest failure ever.
As for failure My guess is it was intensional...oil filter basicly dry and empty it appeaered and the wear on the oil pump gears. My guess is someone drained the oil probably dumped some on the topside and once it lit off kept it matted. THAT would be a video to see too...Im glad those heads survived.
I've never seen that much purple and black on a crank before...wow...just wow!!
Fantastic video!!
Brilliant vid sir...keep them coming
The carnage is a testament to whoever engineered that engine. It kept running despite the absolutely horrific conditions it went through! Amazing!
Still one of the best motors of the Ford family in the past 50yrs. Swapped an early Intek out of a Mark8 into my 98 Mustang back in the day. On a small dry shot that thing would take almost anything on the street back in the early 2K's. And it took the abuse time an time again. Had some nasty timing chain rattle on cold start but that was about it. Those blocks were made out of the same aluminum an at same Teksid factory out of Italy as the Ferraris an Lamborghinis. At least up until the late 90's early 2Ks anyway. The Ford Modular Motor family was awesome for the backyard weekend warriors to build and tinker with, before the later gen engines began to get more an more complex.
Really enjoy watching these.
I don’t know why but I love watching you struggle with dip stick tubes 😝
Had me a marauder once. It was a good ride. Then I put a 3:73 in the rear end. Then it was a great ride.
I have a 2004 that I bought in 2005. I have seen 3.73 gears installed but almost pointless when you start with a 3.55. These were made for a 4.10. Or a blower. Preferably both.
4.10:1 in the rear end of mine, plus a Vortech V3 S trim on the front. Good times roasting tires!
If you have the maurader there check the title for the last owners name. I think you’ll find the name Allen Funt .You don’t have access to torches (oxy acetylene)?
I had a Marauder for 10 years. It's cool to see the innards of the motor it had.
Best episode ever! Insane destruction. I can't fathom how this motor lasted long enough to do that kind of damage. I once killed a Mazda 3.0 V6 in my horrible Ford Escape, where it finally threw a rod and broke the block and pan, but it was nowhere near this level of burnt and melted. Clearly a pro at work!
I like these tear downs. That was carnage. Subbed from Dawsonville, GA.
Cleetus just posted a video where he destroyed the totally-not-turbo'd motor in his Marauder. Too much boost, and engine got real hot. Coincidence?
I actually clicked on this because I thought it was Cleetus's engine :)
Wow that would be funny if that was this engine! Is this guy in Florida???
I like the way this dude thinks. When all else fails, it's Hammertime. I figure the stress relief is worth more to me than whatever material item I just obliterated.
Great video ! Love your last resort all purpose persuader tool !
Is what a great tear down video is air down video don't know much about that 4.6 block engine combination but I learned a lot thanks for your time.
In all the teardown videos you've uploaded, I certainly don't think there's been such an extreme disparity between the condition of the cylinder heads and the bottom end of the engine... yikes.
Agree, I'm astonished that there was so little damage to the heads.
Must have seized so abruptly that oil circulation stopped immediately. It’s the only thing I can think.
"Cooperative pistons!" They all want to be together. I really like the precision block adjustment with the sledge. Those bolts definitely deserved it. That all is shocking.
Greetings from northen Sweden.
I have done a fair amount of mechanics on cars, city buses, tractors, boats and snowmobiles and I have never seen all pistons at TDC at the same time.
This condition of an engine is what we would call Rather Unhealthy among friends...
Great video.
Eric, lol! That was amazing! A quick story- my step mother bought a 2008 Mirader after my dad passed. We all thought she was crazy. Traded in her minivan! Anyway it was totally black with all dark windows. Polished aluminum wheels. Everyone thought she was dealing drugs, at 75. Anyway that car was fast and smooth. Took it out without her a couple of times.
Unbelievable the damage that engine had!!!
PS: those dang dip sticks!!!
This is hands down the absolute BEST teardown so far. I laughed a lot.
The towed in gear crowd are right I think. That's why all pistons are TDC, rods let go and have then been repeatedly bashed out of the way by the still spinning crank.
That and just a really hot crank case might create pressure to push all the pistons outward.
These cars have automatics... without the engine running the pump there wouldn't be any pressure to apply the clutches and without the driveshaft and input are decoupled. Unless I severely misunderstand how automatic transmissions work.
@@Melanie16040 torque converter input shaft broken? No limit to engine RPM. Wild guess
All Mauraders are automatics. Even if left in gear, towing won't engage the trans to the engine.
There is plenty of kinetic energy in the rotating assembly to take out all the roads when at high rpm
That engine looks clean inside, though one side is cleaner than the other.. I am amazed the bottom can look like that and top looks as good as it does
Air hammer woulda worked too like you said, but I’m surprised you don’t have anything like flank drive plus sockets or any of those spiral flute types you hammer onto the rounded bolt head to get those out. Definitely a worthwhile investment to have some of them
I, personally, like ALL of the engine teardowns. It's also why I subscribed and watch most all of your videos. Your personality and knowledge about engines keep me around.
I've never seen that much damage in an 8000 rpm racing engine, much less a factory engine. I would like to know the last minute of running time on that 4.6.
There is this small channel called Cleetus McFarland....he might have something to do with it
I am like you I have never seen anything like it . I have no idea what could cause this kind of damage. Unbelievable no damage to the cams .
I’m new to your channel and enjoy it very much. Just a backyard mechanic seeing the destruction of those engines.
the only comparable carnage that ive seen are vehicles that have been towed behind RV's in gear.
That was what came to my mind too.
that is highly possible here i agree
And not seeing metal chunks in the upper end or much in the oil filter would back up that assumption.
I kind of doubt it since every Marauder I've seen had an automatic transmission.
The wild part to me is the relatively light damage to the main journals yet the rod journals are beyond gone. Just wow.
Very strange! Thank you, Eric. I'd like to see an old engine: a 394 Oldsmobile or a 455 Olds engine torn down. I realize they're way out of your range of parts you sell. But it one shows up, it would be cool to see the innards. Thanks. Greetings from Ohio.
My dad has a 1999 Mercury Maruator Police Edition..he bought from a police auction in Tempe,Az.back in 2007..it now has 200,000 miles on it & doesn't burn oil or have leaks ..the only thing he has R&R is front struts & rear shocks..he has Motorkoted the engine..power steering..& runs injector cleaners religiously..👍 are
I'm just impressed at that level of damage, just really impressed. That's professional levels of chaos inside the bottom end. Just... Wow.
Best tear down ever seen in your channel tho!! That was an incomprehensible damage to that engine. Regards from Spain!
I forgot that I had already watched this video. I concur that it must have been run upside down. All the oil went to the top end and saved the cam bearings until those rods let go. I'm pretty amazed once again to see this much carnage on the bottom end.
Always fighting the dip stick tube. My top two enemies as an auto tech are dip stick tubes and sway-bar links.😂 these are the two things that are almost impossible to remove and reuse ♻️
Super look forward to your videos every week, keep up the great work; and as everyone has already said: The more carnage the better!!!
A nut welded onto the top of wallered bolts & nuts usually works to get them loose. I think the heat during welding might help.
Just heat would probably have been enough.
Another approach that sometimes works is to hammer a slightly undersized 12-point socket onto the head.
Was thinking the same. A job for the red wrench.
But there's also the fun factor.
I would've hit them with my Irwin Bolt Extractor socket set, and a breaker bar.
Haven't met a bolt yet they couldn't chew-up.
I am really surprised the block just shattered like that under those hits ...and btw awesome vid lol
This was something different. That's why you get viewers. Thank you. How can this engine even start up?
8 rods out of 8...that's impressive carnage!
Somebody always wins the lottery.
First half was a regular engine teardown, the other half was minutes of dude going medieval on an engine's ass.
Great new solution for a stuck bolt. I wonder how many mechanics have felt the desire to do the same thing only they needed the block for the engine to run?😃
Red green would be proud
If you've ever watch any of "friction welding" vids, you know the heat damage can happen in seconds. My guess is an instantaneous loss of oil while the engine was under load. All 8 rods at once! Wow. The bottom end welded up before the top end knew something was wrong. Best video!!
That is a new experience for me. I have never seen anything like that either. I agree it looks like some gremlin with an oxy / acetylene torch was inside the engine melting the rods and crank. I wold love to know if the heads / cams ended up still being serviceable.
this really doesn't look like a "totally stock Marauder" that just has a higher AC pressure level....
I was just going say. To much AC charge.
Just stopped the video to come and say something like this. :)
He took off the AC safety. You'll get that on these big jobs😁
I see somebody else watches Cleetus McFarland as well. Hahaha
You gotta watch out for those over charged compressors
The motor was probably over revved while descending a mountain grade in a low gear.
Initially one rod cap failed, causing no oil pressure to the other rod bearings. Continuing down the grade the engine would be forced to keep turning at a high rpm, even while most of the rods had failed. Eventually the final rod would let go, while all pistons remained at TDC.
That's the best theory I can think of.
BTW, in my younger years we used to deliberately destroy old engines by running them at wot while draining the oil and/or coolant and keeping them running at wot until they seized. Then we'd tear them down to see what let go (sometimes with a bit of a wager to see who guessed right).
Never did we end up with an engine with every rod letting go, never. That is why I'd bet something external kept that engine revving at max RPM even after the rods let go.
Defiantly one of the best so far. when you have to beat it to death with a shop hammer to get it apart, massive carnage. keep them coming :-)
We love the total carnage!! Keep em coming!!
That the heads weren't trashed is amazing.
They're just to me there was high RPM, for short period of time. But enough to get red hot metal around the rod bearings.
I have an 03 Marauder with 105K miles. What SHOULD Replacing a valve cover gasket run? Now to go back and finish your video. I wish I was that much mechanical...THUMBS UP!!100%
Ring lands in the oil pan was a common occurrence in Keith Black nitro motors. You could walk through the top fuel pits at an NHRA event and see windowed blocks up against the fence all through the 1970's and 80's.
Love these videos, im a DIY'er so I am always learning. When the main cap bolts rounded off, I wondered why you kept trying. Once rounded, forever rounded. Invest in a set of turbo sockets. They remove rounded bolts. They go by another name, which I can't remember but the sockets have a spiral cut edge inside of them. Happy Holidays and thank you!!
Mig welder and a bigger nut. Weld the nut to the bolt head the heat will help loosen it and the new bolt will give the socket something to hold on to
Hard to imagine how that much damage happened. You did a great job taking it apart.
A/C overcharged
th-cam.com/video/NikfxW-zW3U/w-d-xo.html
I had this rounded bolt problem once on a Hemi head. Sears used to sell six sided sockets incermented by the 32nd's. I bought on size smaller than the bolt head, drove it on with a BFH and popped them loose with a 3/4" breaker bar. It cracked the socket and with Sears lifetime warranty I got a new one.
those black nitrided rod journals are a novelty
This appears to be an oil starvation (smoked bearings), mixed with mechanical over rev. The perfect storm 👌
I love how you went full on caveman to get the crankshaft out.
He should really be more careful taking the rods and pistons out, though. Don't want to damage the block :D
As a 2003 Mach 1 owner it hurt to watch this, I will definitely make sure the oil is clean and at the correct level.
Saws all ! Nice touch. Also like hammer head flying off