American V8 Engines That Constantly BREAK DOWN

That guy probably never changed a spark plug in a lawnmower .

I had a chrysler Newport 1975 with the 400, à Demon 1971 with the 340, and a camaro Z28 with the 350, à vaillant 1973 with the 318, and they were all better than any cars they sold today. Very easy to maintain, repair, and there was plenty of parts. You could fix it in an afternoon in your backyard. Good luck doing this today. They weren't as powerful and fast as today's car, obviously, the mustang with the coyote engine is a beast, so are the camaro ZL1 and the dodge demon, but you can't fix them easily if they break.

The Chrysler 4.7L did not replace the “out going” AMC 4.0L I6. It replaced the outgoing Chrysler Magnum 5.2L and 5.9L V8

Yes, you forgot the Northstar.

Cadillac north star

I used to have a Chrysler Newport -78 with the Lean Burn 440. And, the system failed. But I had a normal, used spare points distributor, so I just put it in. And I could not tell the difference. It run just the same with the points ignition. Perhaps the engine was just big enough for that. The stupid thing with that computer was that it was cooled by the air inside the air cleaner. But it had the heated air for cold weather, so when it got near freezing, the heated air fried the computer. Engine started to misfire, but I got home and replaced the distributor to the points one. And worked with my back towards the sun, no shirt in the spring. Worst sunburn of my life...

Caddy ht4100 problem was having cast iron cylinder heads. Head bolts were too small diameter and too fine threaded. 😮 Bolts were not cast iron!!

The flat head Ford was bullet proof , my Dad had a Schramm air compressor that was half engine which drove the other half as an air compressor , it finally through a rod bearing which was easily fixed.

Back in the mid 90's I went to college and took a machining class. One of the things we learned was how to identify various metals by their inherent physical characteristics. It was in that timeline that the new and outrageously expensive Torque-to-yield head bolts started coming into play. We got a brand new set of them from the auto tech department and did some testing. Turns out they have the exact same base range of stretch, torsion and hardness values as common generic low-end general-purpose grade 3 bolts. THATS WHY THEY FAIL!

Had a, 76 Chrysler Cordoba with the 400 cid engine, one of the best cars I've ever owned, had to drop the oil pan at 160,000 miles to remove the pieces of the cam gear, decided this would be a good time to replace the crank bearings, looked at them and they were in such good shape decided to leave them alone. Sold it about 6 months later when I bought a new car to a friend, he drove it until it had 200,000 miles on it. Only problem with it was rust behind the rear wheel wells and in the trunk

The gm diesel lf9 has not been produced since 1985

I beg to differ on the Ford flattie - it was a VERY reliable engine, though it was prone to overheating due to the exhaust running thru the block. If it was truly unreliable, it would certainly not have survived for 20 years.. Please remember, flathead were the state of the art when it was designed - ohv v8 designs , with rare exceptions, didn't happen for another 17 years.

I marvel at how Mr& Mrs average Can buy a car with the worst engine and have no trouble and the Will last for ever

Gm for quite a few years on the small blocks had bad camshaft and lifters.I replaced many of them with sealed power parts.

The Cadillac 4100 was such a bad design the engine remanufactureres refused to build them. They had problems getting enough oil to the cam and the cylinders were sleeves held in the block and aligned by clamping pressure from the cylinder heads. Here was one company, Engineer Supply in Phoenix that modified these engines to make them live. They patented the parts they used and offered them for sale with a full warrenty, but it took years to develope the parts needed to make that engine livable.

Ford 5.4 Triton. Biggest turd I ever owned.

I was onboard when a Mopar 340 Six Pack threw a Rod Cap...that was something, Damn straight threw the oil pan, and part of the hood!

When he was talking about the Oldsmobile 5.7 diesel he accidentally said gasoline there diesel!

can we have more ads please.....?

Oldsmobile 403. had a tendency to overheat because of the siamese cylinders.