Personally I never had a problem with the lack of performance the 4100 is so noted. No other car can say this for 1981, and not many can say that at all. I like the look of the 85' eldo better, but if I can get the 88' DeVille and avoid all the problems, I think the 88' DeVille is a better option, After all, it's still a pretty good looking vehicle! The same technology incorporated into the 4. Changed the coolant, oil, hoses, belt and a few other things, and so far the car hasn't missed a beat. Maybe my problem can be cured without a drastic operation. If you do it yourself, you'll need a buddy, a torque wrench you can probably rent one from a parts store if you don't want to buy one , and a weekend or two. Even though it has a short temper at certain times the design is so attractive you wouldn't trade it in for a more reliable Ricky Lake type engine.
I know this is hard to answer but since the car does not burn oil is it possible the knock can be remedied by some oil treatment as finding a motor for this car that is good is a bit of a challenge. What were the compression readings for each cylinder? My car is a 1983 Cadillac Eldorado Touring Coupe. These are beautiful cars both to look at and drive. If you buy the car and enjoy a little bit of pep, I would save for the installation of a 1979 drive train. The recommendation used to be changing the oil and filter at 3k intervals, but now it seems to have changed to 5k. Check all the fuses the fuse box is easy to get to, and you can check them in a few minutes, just bring a flashlight because the box isn't well illuminated.
From the experience of others who have done this transplant, it is pretty much plug and play. Buying a car is a big deal, so research everything you can about the car you are interested on buying. Engineering advances allowed the company to begin increasing displacement and output again. Currently, Cadillac V8 models use the , which is commonly identified with the division. Car will be put away for the winter in 30 days so any insite on this? Is it a good engine? The only other V8 option for Cadillac buyers was a 5.
I would start with a scrapyard engine with transmission. I had an '81 for about six months with the 8-6-4 engine, and with the exception of the 8-6-4 system it was a great engine. Please and we will fish it out from the spam creek. I am at work right now, so I will probably do a bit more research on it when I get home. When the car is hot I hear a knock when the car is in drive with my foot on the brake. The Northstar platform's ability to drop cylinders to limit wheel spin is done effortlessly and is similar in concept.
Is the car going to need to be scrapped in a couple of years? It pulled hard when you wanted, and got decent economy when you wanted. Though, more often my problems tended to be on the ignition side, I had enough random quits and strandings that were mysterious and it was never reliable. They also are known for leaking antifreeze into the oil because the cylinder walls are floating - meaning that the top of the block does not have a full flat deck where the cylinder wall would meet the block. Horsepower output was up 20 hp 15 kW from the previous 1990 4. Basically I have had my eye on a 1985 cadillac eldorado for a while, and while reading reviews I see it as an excellent car.
I'd say the main problem you'll be looking at is a lack of power. Despite problems with the engines, Cadillac still had annual sales above 300,000 as late as 1986. I would go with a pro and ask them to recommend an installer that removes and ships your engine, and installs theirs in your car. The 8-6-4 will last forever, but unlike the carbureted earlier counterparts, the 8-6-4 has throttle position sensors, idle actuators, map sensors, baro-sensors, O2 sensors and all of the things that a modern car today requires. Give each retracting seatbelt a good, violent tug and make sure they still lock up. There are some engine swap possibilities but they are difficult and require some engineering and parts from earlier models. My Dad eagerly accepted as the second alternate on the gift.
They're great cars, but age takes its toll on everything. At that price, with 52,000 miles, I say consider it. However, the would experience problems in drivability and reliability related to. The only real issue with the V-8-6-4 engine was the engine cntrol computer had issues with the circuit board card connectors and the engine would default to V-8 mode full time. She offered the car to me in 1990 as a gift and I passed due to the 4. The 4100 was prone to intake manifold gasket leaks as well as coolant leaks at the wet cylinder liner o-rings.
It was so bad that Cadillac stopped production after 1985 and had to resort to Oldsmobile engines as a last resort over stopping production entirely. So fixing the 4100 isnt the end to problems either. If you see a car with an 8-6-4 badge, chances are its still the original motor no matter what the miles. Anything before that and you are at risk. If you are looking at a classic Cadillac to buy, one with a big block engine will provide the best drive train. There are a lot of people who enjoy the 4. If I had the space and money and got offered a nice 85 Eldorado, would not hesitate.
My 4100 ran flawlessly for three months in a killer nyc winter until the timing kicked one morning on the way to work. I'll stick to the 'old' way. Tim 79 had an Olds 350. Problems originating from the used of different metals in the block and head became pervasive, often resulting in head-gasket failures. That is why the use of the sealant is mandatory on the 4. It had 94,000 miles on the clock when I bought it, and 150,000-ish when I bent the unibody in an accident and had to scrap it several years ago.