Engine Combo's that turned out terrible?

Great idea for a thread!
I remember back in the early '80s when my brother bought a '70 Challenger 340 slapstick auto plum crazy body for $300 and flat towed it home. (about 60 miles)
It had no engine and transmission, and an 8 3/4 rear end.
And the body was rough and faded with dents everywhere, half sanded, rust patches where it was sanded, a sad black interior, a real P.O.S. looking car.
He wanted to get it running as cheap as he could and drive it as is.
We got a demo derby car after the demo with a 383 and automatic for free. (A '67 Fury 4 door if I remember correctly)
We pulled the engine out of it and put it into the Challenger.
He had the tranny freshened by a local tranny guy for $50 and beer one Sunday afternoon.
He bought a new 3,000 stall converter for it.
Then we put it all together with some badly rusted B-Body headers literally taken out of the junk pile, a old used street hemi grind cam that was laying around, reused the lifters off of the 383 2 barrel, grabbed a 383 4 barrel manifold that we had laying around from my '69 Super Bee with the AVS carb, put it together with no gaskets just silicone on everything, grabbed a worn out 3:55 sure grip that I bought out of an old stock car, assembled everything with a shitty exhaust that was laying around that we made fit, and started it up.
It sounded good, and it went like a banshee, low compression on one cylinder, junk wires, points ignition and all!
We actually drove the car to Spokane, Wash and run it at the track where it clicked off a 13.63 E.T. @ 102 mph.
All for the paltry sum of about $600 and a lot of work............
It shouldn't have worked, but it did.
Those were the days!