Upgrading Santa's Sleigh! 1973 Cadillac Eldorado Convertible Gets A New Carb and Power Steering Fix
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- เผยแพร่เมื่อ 14 ต.ค. 2024
- On today's video, we're working on a new project for the channel. My dad picked up a 1973 Cadillac Eldorado Convertible with a 500ci big block and it's cosmetically perfect but needs some mechanical love. The carb was changed out a while ago with an Edelbrock unit that was too small, and the power steering pump leaked terribly.
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Sean, Christie, and the Auto Anatomy team
The car brings me back to the 70's. My neighbor had a 73 coupe triple red. That folding top is an engineering marvel!
Thank you, and I agree...the top is pretty amazing.
Merry Christmas to you and your family. That was great working with your dad. You are blessed to have that time with him. I remember in high school that car .
Thank you Mark! I love every chance I get to work with him. I'm hoping that we can take a few road trips together in the coming year, and that I'll be able to travel back to Memphis more to work with him on his rides.
Your video brought me back to the time when I was a Cadillac factory field service representative (starting in the early seventies). You might want to jump to a 1974 HEI distributor which will fix all of your ignition issues and are still available since the system was used for many years. That upgrade was very popular back in the day and for good reason due to its reliability and additional performance. Oh, I started watching your channel because I'm in the midst of restoring a '66 Corsa. Small world, eh!
That’s a great idea, I’ll pass it along to my dad. It only has about 10-12 degrees of total timing so I think something is wrong with the distributor.
And small world with the Corvair! Best of luck on your Corsa
An HEI is a great idea. Set it up once and it will stay in tune for decades... An electric choke conversion would be good, too.
The electric choke has already been ordered and I think it needs a new distributor (even if we don't do HEI)
Another issue that showed up as those engines gained age and hours was the nylon/plastic material that was applied to the camshaft sprocket that would deteriorate and allow the camshaft to get out of phase with the crankshaft. Result would show up in an ignition timing problem, among others. If another distributor/advance mechanism doesn't fix your problem you may want to chase this possibility. It is possible to change the sprocket without removing the engine but it is necessary to lift it enough to allow removal of the oil pan in order to gain access to the engine front cover, etc.
That's a good thought, we had to do the same thing on our 1966 Thunderbird. The cam gear was phenolic and nearly ready to come apart. I'd like to take a look at that next time I'm in Memphis and get it taken care of permanently.
When those QuadraJet secondaries open up, it definitely is a look at me moment!! I love the sound of those wide-open QuradraJets.
You and me both!
I knew a Guy Had a1973 And 1974 The Same Color , Drop Top
The stumble is caused by the accelerator pump not being able to deliver enough fuel. The Quadrajet though is an excellent carb(I like them even more than a Holley)and the one for the engine in that car should have about 800cfm(they had from 780 to 840 rating depending on hp) air flow rate. The compression ratio is low too on those motors so the distributor curve is really important to them. You mean the choke was sticking closed? Ah...you figured it out. Get a HEI distributor for that engine. It is head and shoulder above the Pertronix.
I Definitely Agree about the HEI Distributor 👍
I agree that timing is definitely off on this car. It's only getting 10-12 degrees of total timing, so it acts like the mechanical advance is stuck. I'm sure that a new distributor would provide benefit, but what do you notice most about the HEI compared to the Pertronix units?
The secondaries opening on a quadrajet are one of the great car sounds out there! Merry Christmas!
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Such beautiful music from the Detroit symphony!
That’s a great looking car!!
Thank you!
Beautiful car, great video Sean, merry Christmas to you and your family, from Shaun in 🇬🇧
Merry Christmas to you Shaun! Thanks for always supporting our channel.
Merry Christmas to you and your family , cool ride !
Merry Christmas to you!
HEI Distributor 👍
Besides getting rid of the points, what do you see as the benefits of HEI on this car? It already has a hall effect pickup and a hotter coil. Plus I've heard you have to remove one of the belts to install the HEI cap. Thoughts?
@@AutoAnatomy less problems down the road and very reliable, also quicker starting, it kinda sounds like it needs a bigger battery to really turn that monster engine over.
I think the battery was just drained from sitting and not running for a while, but it is a monster engine. I'll take a look at the HEI options for the car.
@@AutoAnatomy good idea 💡👍
Sweet car! I have the same car, but 72 it’s on my channel
You have a beautiful 72, and your interior is in much nicer condition. Gives us something to shoot for!
@@AutoAnatomy thank you, I’m excited to see future uploads on your car!
No need to replace the distributor in IMHO. Just get the mechanical advance working and make sure the vacuum advance is doing its thing. Once you get the timing advances correct you can see how it runs. With the emissions crippled 500 you might never have the performance that you'd expect from such a huge engine. My 71 thunderbird would burn the rear tires and had a lot of power for such a big car. My 73 thunderbird literally would not hit 90 mph on a straight flat highway because of the drop I engine compression and timing of the cam.
How much mechanical advance do these cars have, if you know?
I tried to find the specs on line but could not. I do have a 68 service manual which of course has the 472 engine. It shows 12 to 14 degrees at 4000 rpm with 8 to 10 at 2400 rpm for centrifugal advance. It lists 3.7 to 10 degrees at 12 inches of mercury then 11.3 to 12.6 beginning at 16 inches of mercury for the vacuum advance.@@AutoAnatomy
Is that qjet a new repo Chinese one or a rebuilt?
It is a rebuilt genuine Rochester unit
I was told by a power steering engineer to always jack the car up and do it like that on any car when replacing unit
That was certainly a new procedure for me, but one that I'll not soon forget.
Is it for sale ?
No, he’s enjoying the car too much!