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Clutch47

Re: The FORD Lounge

This post was updated on .

Thought ya'll might get a kick out of something I saw yesterday.
A Benz of some vintage that needed the attention of the youngest wrench turner in my friends business.
The mock up block has a nice window in the front if you look. FNG said he shifted to 3rd at about 3300 and the balancer along with the front of the crank fell out onto the road. Crank broke at #2 and FODded the roadway... so the Mustang donated the mock up engine.
They're figuring out how to do a legal exhaust now.
Motor mounts are after that.. 🤣

All Ford all the time.
83 F-100 300-6/C6
69 Merc Montego convertible 393 4V Cleveland
86 LTD Crown Vic 2 door sedan 347 AOD
03 F-250 SD 5.4 2V

ArdWrknTrk

Re: The FORD Lounge

Administrator

Jeez.
Some people's kids... 🙄

Jim,
Lil'Red is a '87 F250 HD, 4.10's, 1356 4x4, Zf-5, 3G, PMGR, Saginaw PS, desmogged with a Holley 80508 and Performer intake.
Too much other stuff to mention.

Gary Lewis

Re: The FORD Lounge

Administrator

The balancers on some of the Benz V6's were known to walk off and cause quite a bit of excitement, but hadn't heard about breaking the crank. Ouch!

Gary, AKA "Gary fellow": Profile

Dad's: '81 F150 Ranger XLT 4x4: Down for restomod: Full-roller "stroked 351M" w/Trick Flow heads & intake, EEC-V SEFI/E4OD/3.50 gears w/Kevlar clutches
Blue: 2015 F150 Platinum 4x4 SuperCrew wearing Blue Jeans & sporting a 3.5L EB & Max Tow
Big Blue: 1985 F250HD 4x4: 460/ZF5/3.55's, D60 w/Ox locker & 10.25 Sterling/Trutrac, Blue Top & Borgeson, & EEC-V MAF/SEFI

Nothing Special

Re: The FORD Lounge

When I worked in an engine test lab at General Motors (and yes, I drove a Ford truck to work), once I was looking into a dyno cell through the window and saw the harmonic balancer coming off an engine that was at about 6500 rpm. I yelled at the tech to shut it down. He hit the e-stop button which turned the 600 hp DC dyno into a 600 hp electric motor trying to turn the engine backward. I couldn't believe how far that engine torqued over! No way I'd have thought the motor mounts would allow that much motion!

But we were too late, the balancer did come off. For what seemed like about 5 minutes (but was probably closer to 5 seconds) we listened to it bang off everything it could find. The bangs started coming farther apart, and as we waited to see if we had heard the last bang I had an image in my head from a Roadrunner cartoon, where the balancer was sitting there, spinning, waiting for us to open the door so it could take a run at us as soon as we opened the door!

Bob
Sorry, no '80 - '86 Ford trucks
"Oswald": 1997 F-250HD crew cab short box, 460, E4OD, 4.10 gears
"Pluto": 1971 Bronco, 302, NV3550 5 speed, Atlas 4.3:1 transfer case, 33" tires
"the motorhome": 2015 E-450-based 28' class C motorhome, 6.8L V-10
"the Dodge": 2007 Dodge 2500, 6.7L Cummins

ArdWrknTrk

Re: The FORD Lounge

Administrator

And that's the reason test cells are bulletproof.... 😱

Jim,
Lil'Red is a '87 F250 HD, 4.10's, 1356 4x4, Zf-5, 3G, PMGR, Saginaw PS, desmogged with a Holley 80508 and Performer intake.
Too much other stuff to mention.

Gary Lewis

Re: The FORD Lounge

Administrator

In reply to this post by Nothing Special

Yikes! I can only imagine! Those balancers are heavy, and spinning at 6500 R's would make them very dangerous.

Gary, AKA "Gary fellow": Profile

Nothing Special

Re: The FORD Lounge

In reply to this post by ArdWrknTrk

Yes! And the window I was looking through was double-paned bulletproof glass, set in the wall at a 45° angle, so anything flying into it would be deflected to the floor rather than giving a direct hit to the glass. The fire suppression system in the dyno rooms was pretty serious too!

Clutch47

Re: The FORD Lounge

In reply to this post by Nothing Special

Your description of the cartoon version of the story makes me laugh..
All I can see is the Tasmanian Devil cartoon. The little tornado stops and its actually a balancer...looking for its next victim.🤣
This young man's story about his crank doing a disc Defrag isn't the first time I've heard of the early HO engines letting the crank leave the party early before that main cap. I'd suspect it's because of all the contributing unbalanced and unaccounted for forces happening before that main cap.
Fuel pump eccentric comes to mind along with timing set and oil pump/distributor all making different vibrations.
Who knows.... 🤷‍♂️

All Ford all the time.
83 F-100 300-6/C6
69 Merc Montego convertible 393 4V Cleveland
86 LTD Crown Vic 2 door sedan 347 AOD
03 F-250 SD 5.4 2V

mat in tn

Re: The FORD Lounge

I bought my flareside a few years back with an engine knock. once the tow truck delivered it, we started looking into it. it turned out to be the outer ring had come loose and beat a hole in the timing cover. I fixed enough to be able to test drive through the subdivision a bit and prove the rest of the truck. once done I put in another used engine from stock and rebuilt the engine. last week we visited our son on base, and he was saying his foxbody had a knock. we looked it over and sure enough the outer ring was wobbling all over but was still along for the ride. I told him to shut it off and replace the damper before starting it again! I would NOT be surprised if he drove the 250 miles to fix it here. haha

Gary Lewis

Re: The FORD Lounge

Administrator

Don't be surprised if you get a call from the side of the road.

Gary, AKA "Gary fellow": Profile

mat in tn

Re: The FORD Lounge

AGAIN! hahahahah

ArdWrknTrk

Re: The FORD Lounge

Administrator

In reply to this post by Nothing Special

After my 'accident' in 1984, I worked at Westinghouse, selling time on their satellites.
The full halon systems there would snuff you if you didn't make it out the door in time. 💀

Jim,
Lil'Red is a '87 F250 HD, 4.10's, 1356 4x4, Zf-5, 3G, PMGR, Saginaw PS, desmogged with a Holley 80508 and Performer intake.
Too much other stuff to mention.

Nothing Special

Re: The FORD Lounge

The system in the GM test labs when I was there was carbon dioxide. The lines would be purged with air after any time they were used or tested, so when the system was triggered you had several seconds warning as the system screamed while blowing air on the fire (I guess that was a little exciting too!). Then the CO2 would get there and you didn't want to be in the room!

Also the doors were spring loaded closed, and there were CO2 pipes you could hook them open on. When the system was pressurized a plunger would be pushed out, popping the chain off so the door would automatically swing closed.

Shortly after I started there we had a safety training. One of the managers told us about a time he had seen someone go down in a cell from the CO2. He took a deep breath and went in to pull the guy out.

Turns out an interesting thing about the human body is that it doesn't really care how much oxygen is in your lungs, it cares about how much CO2 is there. If the CO2 concentration gets too high there's an involuntary response to exhale. As he was pulling the other guy out he sucked in a little CO2. Even though he still had a lot of oxygen left, his body decided to get rid of the CO2 and he exhaled all of his oxygen.

The next thing he knew both of them were coming to after someone with an oxygen mask had pulled them both out!

ArdWrknTrk

Re: The FORD Lounge

Administrator

The satellite uplink room had gates that slammed down 6 seconds after the alarm sounded.
There was no coming back from that.

At least it wouldn't burn your lungs out with carbonic acid... 🥺

Jim,
Lil'Red is a '87 F250 HD, 4.10's, 1356 4x4, Zf-5, 3G, PMGR, Saginaw PS, desmogged with a Holley 80508 and Performer intake.
Too much other stuff to mention.

Clutch47

Re: The FORD Lounge

In reply to this post by Nothing Special

Reminds me of different kinds of fire suppression systems I saw in my Navy tour.
Did my share of working with LOX converters, chest and panel mounted regulators and testing LOX samples.
Thankfully never had fire to deal with.

All Ford all the time.
83 F-100 300-6/C6
69 Merc Montego convertible 393 4V Cleveland
86 LTD Crown Vic 2 door sedan 347 AOD
03 F-250 SD 5.4 2V

85lebaront2

Re: The FORD Lounge

Administrator

This post was updated on .

In reply to this post by Nothing Special

I have had the outer ring on a 460 balancer come loose, but the most interesting one was the 1978 GM 5.7L Diesel that suddenly developed a knock, still ran fairly well, but I had a spare so swapped engines. Pulled it out and found that I could move the flex plate a bit before the balancer moved.

I assumed it was a bad flex plate, but when I pulled the engine there was no evidence. Pulled the pan and found the crank was broken just behind the 5-6 crank throw. Carried the pieces in to work and found a fatigue starter crack.

Bill AKA "LOBO" Profile

"Getting old is inevitable, growing up is optional" Darth Vader 1986 F350 460 converted to MAF/SEFI, E4OD 12X3 1/2 rear brakes, traction loc 3:55 gear, 160 amp 3G alternator Wife's 2011 Flex Limited Daily Driver 2009 Flex Limited with factory tow package Project car 1986 Chrysler LeBaron convertible 2.2L Turbo II, modified A413

Gary Lewis

Re: The FORD Lounge

Administrator

Those things almost scared the American public away from diesels with their problems.

Gary, AKA "Gary fellow": Profile

85lebaront2

Re: The FORD Lounge

Administrator

In reply to this post by 85lebaront2

Ok, I finally got the Titanic engine finished. Here are the pictures of the completed model:

Bill AKA "LOBO" Profile

Gary Lewis

Re: The FORD Lounge

Administrator

Nice! That thing was massive! (I guess "is massive" is more accurate as it still exists, albeit somewhat hard to get to.)

Gary, AKA "Gary fellow": Profile

ArdWrknTrk

Re: The FORD Lounge

Administrator

In reply to this post by 85lebaront2

It's keeping you occupied.
How's your back?

Jim,
Lil'Red is a '87 F250 HD, 4.10's, 1356 4x4, Zf-5, 3G, PMGR, Saginaw PS, desmogged with a Holley 80508 and Performer intake.
Too much other stuff to mention.

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