Ever had this happen? (pics)

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adriver

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A rifle went off under my car.
Nah.
I went out to start the Dodge in the driveway.
Turn over.
Paused.
Pump the peddle once or twice.
Turn over again.
BAM.
Sounded just like someone had let go a 30 06 behind me.
The neighbor down the street came out an started looking in the woods.
I drove down and told him what had happened. LOL
Guess I'm getting close to springing for that TTI system.
 

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How odd, that is after the muffler. It does look paper thin. So to get a back fire like that, there may be an ignition problem too.
 
ive seen blown up exhausts but that was a way too rich flooded out junky car, and before the muffler

birds nest or something in there? interesting and odd
 
A rifle went off under my car.
Nah.
I went out to start the Dodge in the driveway.
Turn over.
Paused.
Pump the peddle once or twice.
Turn over again.
BAM.
Sounded just like someone had let go a 30 06 behind me.
The neighbor down the street came out an started looking in the woods.
I drove down and told him what had happened. LOL
Guess I'm getting close to springing for that TTI system.


Yep, Was working on a friends 74 Corvette and was having carb problems(rich). We rebuilt it and reinstalled it. Started it and was adjusting on it. I reached over and twisted the throttle hard and BAM, blew one muffler completely in two and bulged the other all out. It was inside the shop and several other people were milling around and hit the deck. Everyone thought it was funny after we recovered, except him. That cost him a new exhaust!
 
Raw gas down the exhaust. Back when I was 16 I had this old Ford truck with a standard tranny and going down the road I would turn the key off with it still in gear so it would make this nice little pop through the exhaust. Everyone thought it was so cool when it popped.

One day it made a huge bang that sounded like someone has just shot off a thirty-aught-six in the cab. It split the header pipe, split the muffler open and totally separated the tail pipe from the exhaust...

After getting my hearing back and fixing that mess I had learned my lesson.
 
could have been a rat or something in there...

No.
The only rat was in the car.

I run a Q jet with a cop 318 and stock manifold, top and bottom.
The car gets 23 MPH highway and no ignition or fuel problems.
Probably about 150K on the motor.
No oil buring either.
I almost drove to it that day but figured I shouldn't.
It hadn't been sitting either. Run recently.
 
Used to do the shut off and coast in gear thing also. My Thrush mufflers were basically two hollow cans with the bottoms out of them, bolted to the header flanges.
 
Raw gas down the exhaust. Back when I was 16 I had this old Ford truck with a standard tranny and going down the road I would turn the key off with it still in gear so it would make this nice little pop through the exhaust. Everyone thought it was so cool when it popped.

One day it made a huge bang that sounded like someone has just shot off a thirty-aught-six in the cab. It split the header pipe, split the muffler open and totally separated the tail pipe from the exhaust...

After getting my hearing back and fixing that mess I had learned my lesson.
Yea we did this a lot at 16. Blew a new muffler up and took it to the parts store I dealt with. Tried to tell him it was defective as it split in the seam. Just looked and shook his head gave me a new muffler and said don't bring it back again. No more of that crap. LOL :eek:ops:
 
Rich condition and timing. A volatile combination. That's an exhaust backfire. Your muffler held up well but the pipe was too thin to survive. You can fix the exhaust, but you had better also fix the underlying condition.
 
Nope never had that happen to me. however i have held countless pipes looking like that in my hands,nope im not bullshitting you. i worked in a exhaust shop for 10+years there is a bunch of ways to fix that pipe,wrap it with cloth and then lots of plastic padding,cut up a few soda cans wrap around the pipes where the holes are and then secure with steelwire,find some thin sheetmetal and then do some realy bumpy welds with welding wire sticking out and into the pipe in every possible dirrection wile blowing lots of holes in the rusted pipe(think hedgehog and you have the right pic on your mind) these and more "fixes" can be done before you go to your local friendly mufflershop with the remaining piece of pipe in your hands and ask them to just make a copy of it and you will have a brand new pipe looking just like the one you already have but without the rust;)
 
Nope never had that happen to me. however i have held countless pipes looking like that in my hands,nope im not bullshitting you. i worked in a exhaust shop for 10+years there is a bunch of ways to fix that pipe,wrap it with cloth and then lots of plastic padding,cut up a few soda cans wrap around the pipes where the holes are and then secure with steelwire,find some thin sheetmetal and then do some realy bumpy welds with welding wire sticking out and into the pipe in every possible dirrection wile blowing lots of holes in the rusted pipe(think hedgehog and you have the right pic on your mind) these and more "fixes" can be done before you go to your local friendly mufflershop with the remaining piece of pipe in your hands and ask them to just make a copy of it and you will have a brand new pipe looking just like the one you already have but without the rust;)

:prayer:
 
That happened to me on my 88 dodge 318 truck when the smog pump deverter valve stuck. That's if you are still running a smog pump.
 
I did the key off, coast, key on, in my 75 Duster, (318 with dual glass packs)and a few days later the ignition module went out, coincidence?
Had flamethrowers on my 51 Plymouth(318 with dual glass packs), hit the flamethrower switch and the engine dies and sends power to coils which sends spark to spark plug in tailpipes. After 2 years the one side would pop pretty loud, took the glasspacks off and one had no fiberglass left at all the other side had about a 6 inch square piece left.
Got a 86 Charger 2.2 parts car replaced the timing belt and didn't realize the distributor was in 1/2 turn off, tried to start it and it finally popped and blew the exhaust apart, car had been sitting so there was a mouse nest in the exhaust and it looked like someone blew up a sweater. Pulled the head and had a hole in one piston, bought some cheap pistons, honed the cylinders, new rings, bearings, and oil pump and won 10 features with that engine on a 3/8 and 1/2 mile circle dirt tracks.
 
looks like there was too much fuel pumping out exhaust, and pipe looked pretty rotten, usually just opens the muffler up like a sardine can but if the pipe is rotten the pressure won't travel
 
Used to do the shut off and coast in gear thing also. My Thrush mufflers were basically two hollow cans with the bottoms out of them, bolted to the header flanges.

Yea we did this a lot at 16. Blew a new muffler up and took it to the parts store I dealt with. Tried to tell him it was defective as it split in the seam. Just looked and shook his head gave me a new muffler and said don't bring it back again. No more of that crap. LOL :eek:ops:

I did the key off, coast, key on, in my 75 Duster, (318 with dual glass packs)and a few days later the ignition module went out, coincidence?


Lol, The days of our youth!!
 
This happened to my chevy spectrum. Exhaust was rotted similar to that and wasn't tuned and kaBLAM!
 
we used to do that in my younger days,and like you discibed for fun,going down the road,shut it off pump the gas and restart it,exhaust fills with gas and kaboom,we loved doing that years ago
 
I ain't falling for that banana in the tail pipe....

[ame="http://www.youtube.com/watch?v=HktV2yGtLv8"]Banana in the tailpipe! - YouTube[/ame]
 
Raw gas down the exhaust. Back when I was 16 I had this old Ford truck with a standard tranny and going down the road I would turn the key off with it still in gear so it would make this nice little pop through the exhaust. Everyone thought it was so cool when it popped.

One day it made a huge bang that sounded like someone has just shot off a thirty-aught-six in the cab. It split the header pipe, split the muffler open and totally separated the tail pipe from the exhaust...

After getting my hearing back and fixing that mess I had learned my lesson.

Ah yes another old timer with the key turned off going down the road and turn switch back on and bamm. I did that trick to my moms 68 383 Monaco when I was 16 many times, then I did it once and blew the muffler apart at the seams. Lucky my parents bought the "I don't know what happened" excuse.
 
I had something similar happen to me when the plastic gear at the bottom of my distributor wore out. Was cranking the motor trying to re-start it and the gear caught enough to turn - must have sent a spark out to a cylinder that had the exhaust port open - with all that vaporized gas in it and BAM! Felt the car lift off the ground!! Probably felt the car move more than it really did though. Replaced the distrubutor with one that had a better gear on it! Those were the days...
 
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