Just a little pop, wow never seen that before

dissecting the mufflers?
I know ya wanna see the carnage.

I do!🤣

Ya I guess I can cut them open, gotta get them out of the recycling dumpster. Sally, I made a couple of trips today with open headers, how in the world do you enjoy that?

Bearing did a nice job on the muffs. I'm proud of him.

We used to do that all the time in high school. It does not work on electronic fuel injected engines.
My wife had never heard of such a thing so I showed her how it worked. I even stressed that if you turn off the ignition for to long you could blow up your mufflers.
The story I told Bearing; Carolyn is following me home one night and idiot between us was riding my rear down the long grade. I turned off the ignition, counted and turned it back on. Kablewee the whole back up the 67 jumped  in the ensuing fireball. Totally ruptured the mufflers. Never did see the guy behind me anymore
 

KABLEWEE........I like that!!
New and improved method..............with the ignition off  pat the gas a few times....then turn the key back on!!!
Really "helps" glasspacks achieve their nice.......'tone'!

Back in 1973, I did that unintentionally to the muffs on my 65 Cutlass.  The main power to the ignition would short out where it went across the steering column, causing ignition to shut off, typically as I pulled out to pass another car.  When it decided to restart- kaboom!!!   I drove it like that for a year until I figured out the wire problem.   I saw the car in a junkyard several years later while looking for Mustang parts. Not wrecked... just junked.   Still had the expanded mufflers on it.

It's not a turbo muffler, it's a Walker Cadillac unit. I just love doing muffler work without a lift.

Yes Barry, that was sarcasm about working on the exhaust without a lift.

Well... no real damage inside that can't be seen from the outside. The 1-5/8" I.D. tubes inside gots to be stealing some power.

Glad you got it dun, Bob.  If you get bored I still have plenty.....

BB1

Nos681 wrote:

No carnage?
So why the strange engine operation?

Well... the non start issue was either points or condenser. But since the points plastic isolater that the condenser fastens to broke, I replaced them both at once, which cured that problem.

The over heating was a result of only one fan running, which was caused a couple of shorts, one to a buss bar that powers the electric fans and electric choke. The other was internal in the inline fuse holder for the fan relay. And yes, I do know the benefits of a stock fan.

As far as it running crappy, I not know brother. Maybe my car doesn't like to run well at over 215°. But I do know the following is a true story. Before I installed the mufflers, the tranny didn't want to shift into third until floored at 65 mph, and sometimes not at all. It also didn't want to run well at low rpms. Once I removed those GM mufflers she's been a happy girl, shifting correctly and running fine.

That's all there was to those Caddy muffs?! No glass.....sound dampner....nut'in?
Wonder how if would have run (and sounded) with  say 2"  internal pipes (with holes of course)
Maybe increased the size of the holes in the baffles...... Would be a lot of work (on your back) to put modified caddy muffz back on Mustang.......'just to see' what difference it woulda made.
6s6

Bob, here's my only muffler story:
My Dad worked for Chrysler for 32 years and his pride an joy was his 74 New Yorker Broughm that he followed down the assembly line when being built. It had a 440 for pulling his trailer. A couple of years after he passed away my mom wanted to get rid of the car so she gave it to me. One day I came out from work, slid into the yacht and turned the key. There was a tremendous explosion followed by the sound of open pipes. One of the guys came running over to see what had happened. It blew both mufflers apart and was later determined to be caused by worn shaft bearings in the distributor... in about an 9 year old car. BANG, lub, lub, lub. I haven't driven a Mopar since.